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This video covers: - How to use the V=IR equation - Current/Potential Difference graphs for wires, resistors, filament lamps and diodes General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for triple and combined science Exam board specific info: AQA - Everything is relevant to your ...

Learn about and revise electrical circuits, charge, current, power and resistance with GCSE Bitesize Physics.

Current & Potential Difference | Electricity | Physics | FuseSchool In this video we will be looking at how current relates to both resistance and potential difference, and how we record the potential difference and currents across different components to then calculate resistances. A potential difference is also known as a voltage. A potential ...

Learn about and revise electrical circuits, charge, current, power and resistance with GCSE Bitesize Combined Science.

Learn about and revise electrical circuits, charge, current, power and resistance with GCSE Bitesize Combined Science.

Learn about and revise electrical circuits, charge, current, power and resistance with GCSE Bitesize Physics.

This video explains the concept of electric potential difference. It also explains how to determine the direction of electric current flow in a resistor using the electric potential values across a resistor. It also explains how to determine the amount of current flowing in a resistor using voltage and ohm's law. Physics Video Lessons: https ...

Revise and learn about electrical circuits, charge, current, power and resistance with this BBC Bitesize Combined Science AQA Synergy study guide.

For thousands of questions and detailed answers, check out our GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Donnelly/e/B084FH9JPF?ref_=dbs_p_pbk_r00_abau_000000&_encoding=UTF8&tag=freesciencele-21&linkCode=ur2&linkId=1fbc0f5c3e7450e895637b56ee343168&camp=1634&creative=6738 Great deals on workbooks for schools https://www.freesciencelessons ...

For thousands of questions and detailed answers, check out our GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Donnelly/e/B084FH9JPF?ref_=dbs_p_pbk_r00_abau_000000&_encoding=UTF8&tag=freesciencele-21&linkCode=ur2&linkId=1fbc0f5c3e7450e895637b56ee343168&camp=1634&creative=6738 Great deals on workbooks for schools https://www.freesciencelessons ...

This video covers: - What parallel circuits are - How potential difference, current and resistance are split in a parallel circuit. General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for triple and combined science Exam board specific info: AQA - Everything is relevant to your course ...

This physics video tutorial explains how to solve complex DC circuits using kirchoff's law. Kirchoff's current law or junction rule states that the total current entering a junction is equal to the total current leaving the junction. Kirchoff's voltage law or loop rule states that the sum of all the voltages around a loop must add to zero. You ...

This electronics video tutorial provides a basic introduction into voltage, current, and resistance. The unit of voltage is the volt which is a measure of electric potential energy per unit of charge. Current is measured in amps and 1 amp is equal to the flow of 1 coulomb of charge per second. Resistance is provided by device elements known as ...

This physics video tutorial provides a basic introduction into ohm's law. It explains how to use ohm's law to calculate the voltage across a battery, the current flowing in a circuit or the resistance of a lightbulb as well as the power absorbed by a resistor or the electric power delivered by a battery. In addition, this video also explains ...

Ohms Law Explained. In this video we take a look at Ohms law to understand how it works and how to use it. We look at voltage, current, resistance and the relationship between these. We also use ohms triangle to solve examples. LEARN MORE HERE: https://theengineeringmindset.com/ohms-law/ Sign up for our FREE engineers newsletter for updates ...

This physics video tutorial explains the concept of series and parallel circuits and how to find the electrical current that flows through the circuit. It discusses Ohm's law and the relationship between voltage, current, and resistance. This tutorial review contains plenty of notes, equations / formulas, examples, and practice problems to help ...

This physics video tutorial explains series and parallel circuits. It contains plenty of examples, equations, and formulas showing you how to solve it with all of the necessary calculations. Schematic Diagrams & Symbols: https://www.youtube.com/watch?v=Dl1gFBNa0Ik Resistors In Series: https://www.youtube.com/watch?v=9z53qVQjasU Resistors In ...

This physics video tutorial explains the concept of resistivity and resistance of electrical conductors like copper and silver as well as semiconductors such as silicon, germanium, and carbon graphite. It provides the formula to calculate the resistance of a metal or wire using resistivity. It discusses the inverse relationship between ...

This video covers: - The difference between series and parallel circuits - How current, voltage and resistance are shared in series circuits - Example calculations General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for triple and combined science Exam board specific info: AQA ...

Series and Parallel Circuits | Electricity | Physics | FuseSchool There are two main types of electrical circuit: series and parallel. In a series circuit the components are connected end-to-end, one after the other.They make a simple loop for the current to flow round. In a parallel circuit the components are connected side by side, so the ...

The more resistance there is in a circuit, the less current will flow. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

For thousands of questions and detailed answers, check out our GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Donnelly/e/B084FH9JPF?ref_=dbs_p_pbk_r00_abau_000000&_encoding=UTF8&tag=freesciencele-21&linkCode=ur2&linkId=1fbc0f5c3e7450e895637b56ee343168&camp=1634&creative=6738 Great deals on workbooks for schools https://www.freesciencelessons ...

This physics video tutorial explains the concept of electric potential created by point charges and potential difference also known as voltage. It covers the relationship between charge, electric potential, voltage, electric potential energy, work, and kinetic energy. It contains plenty of examples and practice problems. Full 1 Hour 36 Minute ...

This physics video tutorial provides a basic introduction into parallel circuits. it explains how to calculate the electric current flowing through each resistor in a parallel circuit. The voltage across each resistor is the same in a parallel circuit and it's equal to the voltage of the battery. This tutorial explains how to solve parallel ...

This physics video tutorial explains how to solve series and parallel circuits. It explains how to calculate the current in amps through each resistor and the voltage in volts across each resistor with three resistors in series and parallel combination using a few simple formulas including ohm's law. Parallel resistors form a current division ...

Current | Electricity | Physics | FuseSchool In this video we are going to look at what current is in electricity, how it can be measured and how we can calculate it. Current is the rate of flow of charge, through a cross section of an electrical conductor. Electric charge can also be thought of as the movement of electrons. To measure current ...

EMF is the work done by the cell in moving a coulomb of charge across its terminals. It represents the energy transferred per coulomb to the charges. Some of this energy is lost as heat due to internal energy. Hence the net energy gained by the charge = the emf - heat lost. This net energy gained per coulomb is called the terminal voltage. This ...

This physics video tutorial provides a basic introduction into the difference between alternating current vs direct current. It explains how to calculate the rms voltage and rms current in an AC circuit as well as the peak voltage and peak current. In addition, it explains how to calculate the average power in an AC circuit. This video contains ...

This physics video tutorial provides a basic introduction into kirchoff's current law or junction rule. It explains how to calculate the missing current flowing into or out of a junction. A current flowing into the junction is given a positive sign and a current flowing out of a junction is given a negative sign. This video contains plenty of ...

This video covers: - How to use the F = ke equation - What the spring constant k really means (how stiff the object is) - How to use the EPE = 0.5 k e^2 equation (EPE is elastic potential energy) - That the gradient of a force-extension graph is k - That the area under the curve of a force-extension graph is EPE Remember that extension is ...

This physics video tutorial provides a basic introduction into heat current. It explains how to calculate the heat current flowing in a metal from a hot region to a cold region. The heat current is simply the rate at which heat energy is transferred. In addition, it explains how to calculate the temperature gradient and how to use it to find ...

This physics video tutorial explains how to calculate the potential difference between two points in an electric field on a metallic conductor. It also explains how to calculate the current density given the electric current and the diameter of the material. The current density is equal to the current divided by the cross sectional area. The ...

This physics tutorial provides a basic introduction into capacitors. It explains the concept of capacitance and how it works including the equations and formulas you need to solve homework problems. The full version of this video contains plenty of examples and practice problems for you to work on. Full 1 Hour Video on Patreon: https://bit.ly ...

This electronics video provides a basic introduction into volts, amps, and watts. The volt is the unit of voltage & electric potential. The amp is the unit of electric current & the watt is the unit of power. Basic Electronics for Beginners: https://www.youtube.com/watch?v=uXr4lXYjXuU Physics Video Lessons: https://www.video-tutor.net/physics ...

Let's explore what potential difference is. We will learn how to calculate it, its formula, and solve a couple of examples. Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many ...

This electronics video tutorial explains how to calculate the current in a parallel circuit using ohm's law. It contains examples with 2 resistors and one with 3 resistors connected in parallel. Final Exam and Test Prep Videos: https://bit.ly/41WNmI9 ...

This physics video tutorial explains how to solve series and parallel capacitor circuit problems such as calculating the electric charge, voltage, and potential energy stored across each capacitor in the DC circuit network. This video contains a few examples and practice problems with the equations / formulas and calculations needed to answer ...

Wheatstone bridge is a special circuit consisting of 5 resistors. When the resistances in the adjacent arms have the same ratio, no current flows through the middle resistor! This is called a balanced Wheatstone bridge. It's used in calculating unknown resistances using a meter-bridge set up. Khan Academy is a nonprofit organization with the ...

This electronics video tutorial provides a basic introduction into the node voltage method of analyzing circuits. It contains circuits with voltage and current sources. It explains how to determine every current in a resistor as well as the electric potential of all nodal points in the circuit. Basic Electronics For Beginners: https://www ...

This physics video tutorial provides a basic introduction into maxwell's equations and electromagnetic waves. Maxwell's 4 equations include gauss' law for electric fields and magnetic fields, Ampere's law for magnetic fields, and Faraday's Law for electric fields. The basic idea is that a magnetic field can be produced from a changing electric ...

Let's apply Kirchhoff's voltage law and Kirchhoff's current law in solving a two-loop circuit! KCL states that the total current entering a node = total current exiting a node, charge conservation! KVL states that the total voltage change in a closed-loop = 0, energy conservation! Using these laws, we build equations for current and solve them ...

Calculate the potential difference between points B and D of the network of resistance shown in figure

Phasors are rotating vectors having the length equal to the peak value of oscillations, and the angular speed equal to the angular frequency of the oscillations. They are helpful in depicting the phase relationships between two or more oscillations. They are also a useful tool to add/subtract oscillations. Khan Academy is a nonprofit ...

The potential at a point can be calculated as the work done by the field in moving a unit positive charge from that point to the reference point - infinity. You can also calculate the potential as the work done by the external force in moving a unit positive charge from infinity to that point without acceleration. Khan Academy is a nonprofit ...

To calculate internal resistance, we use a potentiometer to first calculate the voltage across the battery, with no current through it. Then we attach a resistor in parallel to the battery and recalculate the voltage across it. Since the current flows, this time the balancing length is smaller. Using the battery equation, we calculate the ...

Let's solve numericals involving cells with internal resistances connected in a circuit. Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry ...

Parallel Circuits Explained. In this video we take a look at how DC parallel circuits work and consider voltage, current, resistance, power consumption as well as some worked examples and some test questions with solutions. ⚠️Video Correction: 08:05 0.8+0.5=1.3 not 1.2 ⚠️Video Correction: 03:09 Multimeter should read 2A, not 3A 🎁 ...

The plot of the variation of potential difference across a combination of three identical cells in series, versus current is as shown in figure. What is the emf and internal resistance of each cell?

MIT RES.18-009 Learn Differential Equations: Up Close with Gilbert Strang and Cleve Moler, Fall 2015 View the complete course: http://ocw.mit.edu/RES-18-009F15 Instructor: Gilbert Strang Current flowing around an RLC loop solves a linear equation with coefficients L (inductance), R (resistance), and 1/C (C = capacitance). License: Creative ...

This physics video tutorial raises a few questions on DC electricity regarding ohm's law about voltage, current, and resistance. Series and Parallel Circuits: https://www.youtube.com/watch?v=wejz5s31Cts Video Lessons by Chapter: https://www.video-tutor.net/