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

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: - 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 ...

This video is a worked example of calculating potential difference (voltage). This is a popular type of question for students to be asked and this one is specific to calculating the potential difference across resistors in a parallel circuit with three loops, one of which has two resistors connected in series. We need to be able to be ...

In this GCSE Science revision video, we cover 'Current, Resistance and potential difference' for electrical circuits, a key component of the AQA GCSE Physics specification and exam. 🔬 We cover the equations and definition linking current (I), resistance (R) and potential difference [voltage] (V) as well as their SI units and how to apply ...

Master the relationship between current, resistance, and potential difference for your AQA GCSE Physics exams! Learn how to use V=IR with clear examples and exam-style questions to improve your understanding. Full equation sheets will be provided in the 2025, 2026 and 2027 exams. 📌 What You’ll Learn: How current, resistance, and potential ...

Potential Difference in a Snap! Unlock the full GCSE Physics course at http://bit.ly/376vXOG created by Matt, Physics expert at SnapRevise. SnapRevise is the UK’s leading A-level and GCSE revision & exam preparation resource offering comprehensive video courses created by A* tutors. Our courses are designed around the OCR, AQA, SNAB, Edexcel ...

This video is a worked example for a question about calculating the potential difference if we are given the current and resistance. This is a popular type of question for students to be asked and this one in particular is specific to the potential difference across multiple cells in a circuit. The question is as follows: Calculate the ...

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 ...

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

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 ...

This video explains voltage and resistance in more detail. Voltage, or potential difference, is an important concept to understand which I explain using the rope loop model. The current (I) through a component depends on both the resistance (R) of the component and the potential difference (V) across it. This gives rise to the equation that ...

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 ...

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 video explains the differences between potential difference and electromotive force for A Level Physics. This is where it gets tricky! You may previously have used the term 'voltage' but now you need to understand the difference between the e.m.f. of a supply and the p.d. across a component. This also shows you where to put a voltmeter in ...

In this video we cover: - Some components commonly used in circuit diagrams - What's meant by the term 'potential difference' - What's meant by the term 'Current' - What's meant by the term 'Resistance' - Which way around a circuit current flows

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

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 ...

This video covers: - The idea that the movement of a wire within a magnetic field induces a potential difference, and that this may lead to a current if the circuit is complete - How we can increase the size of the current - What happens when we place a magnet inside a coil Exam board specific info: AQA - Separate/triple science and higher tier ...

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 ...

Revise and learn about energy, how it’s related to work and some of the ways that it is stored with BBC Bitesize Combined Science AQA Synergy study guide.

Learn about and revise mains electricity, current and the role of the National Grid with this GCSE Bitesize Combined Science.

Learn about and revise energy and how it is transferred from place to place with GCSE Bitesize Physics.

Electricity: Potential Difference in a Snap! Unlock the full A-level Physics course at http://bit.ly/32WEhgT created by Elisavet, Physics expert at SnapRevise. SnapRevise is the UK’s leading A-level and GCSE revision & exam preparation resource offering comprehensive video courses created by A* tutors. Our courses are designed around the OCR ...

This video introduces parallel circuits. In a parallel circuit the total current through the whole circuit is the sum of the currents through the separate loops, while the potential difference is the same across each loop in the circuit. The current flowing through a parallel circuit splits at a junction. If one loop has components within it ...

How is EMF different from potential difference? When we talk about EMF, that is the energy converted into electrical energy from a source per unit charge. But potential difference is the energy dissipated by a unit charge when charge carriers go through a component, such as a light bulb. Music credit: Song: Dipcrusher - Islands (Vlog No ...

Learn about and revise static electricity, electrical charges and electric fields with GCSE Bitesize Physics.

⭐️ https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Recap of step-up and step-down transformers. * How potential difference relates to the number of turns on primary and secondary coils. 2. Introduction to the two main transformer equations. 3. Explanation of the variables used in transformer equations. 4. How to calculate output ...

In this video you'll learn: - The 'conservation of energy principle' - The different energy stores - How energy is transferred between stores - What we mean by 'work done' General info: - Suitable for all GCSE and IGCSE courses Exam board specific info: AQA - Everything is relevant to your course! IGCSE Edexcel - Everything is relevant to your ...

This videos covers: - What gravity is - What the strength of gravity depends on - How to calculate weight - How to calculate gravitational potential energy General info: - You need to memorise the equation for gravitational potential energy - Suitable for all GCSE and IGCSE courses Exam board specific info: AQA - Everything is relevant to your ...

00:41 Concept of Potential Difference (i.e Voltage) (a) First Method: Calculations Using The General Rule 23:30 Potential Difference Due to A Point Charge 32:28 Potential Difference Due to A Line Charge 41:04 Potential Difference Due to A Surface Charge 1:15:25 Potential Differences Due to Cylinders and Spheres (b) Second Method: Calculations ...

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 ...

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Voltage explained. What is voltage and what does it do? In this video we discuss how it work and its purpose to understand how electricity works. We'll look at voltage for both alternating current and direct current starting off very simply and slowing building up as we go along to build your base knowledge including how to measure voltage with ...

⭐ https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Variation Within Populations * Genetic Variation (differences in genes/genomes) * Environmental Variation (influence of surroundings) * Phenotype (observable characteristics from genes and environment interaction) 2. Mutations as a Source of Variation * Definition of mutation (change ...

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 ...

Potential difference is measured in units of volts and represents the drop of energy of each coulomb of charge as it flows around the circuit. Subscribe for more physics tutorials: http://bit.ly/Subscribe-Physics-Ninja Visit GCSEPhysicsNinja.com to learn more about electricity at https://gcsephysicsninja.com/lessons/electricity/

This video is a worked example of calculating resistance, current and potential difference (voltage). This is a popular type of question for students to be asked and this one is specific to calculating the resistance of, the current flowing through and the voltage across multiple components in a parallel circuit with three resistors. The ...

Understand Gravitational Potential Energy for your AQA GCSE Physics exams! Explore how to calculate energy using Ep =mgh, where mass, height, and gravitational field strength are key factors. With step-by-step examples, this video simplifies the concept for Higher and Foundation students preparing for grades 1–9. Perfect for mastering energy ...

All of AQA Electricity explained for your A Level Physics revision. This video is revision of all the material you will be taught in your first year of A Levels. It revises some of the GCSE content you will be familiar with, including current, potential difference and resistance. Component characteristics are covered with the IV graphs for ...

Electrode Potentials & Half Cells in a Snap! Unlock the full A-level Chemistry course at http://bit.ly/2lSfHxS created by Barney Fidler, Chemistry expert at SnapRevise. SnapRevise is the UK’s leading A-level and GCSE revision & exam preparation resource offering comprehensive video courses created by A* tutors. Our courses are designed around ...

Electricity: Potential Dividers in a Snap! Unlock the full A-level Physics course at http://bit.ly/34i5kVk created by Elisavet, Physics expert at SnapRevise. SnapRevise is the UK’s leading A-level and GCSE revision & exam preparation resource offering comprehensive video courses created by A* tutors. Our courses are designed around the OCR ...

This video introduces the volt (the unit of potential difference) and how to derive W=VQ for A Level Physics. How can you define the volt? '1 volt is the potential difference between two points when 1 joule of work is done to move a charge of 1 coulomb.' or '1V is the p.d across a component when 1 joule of energy is transferred per coulomb of ...

⭐️ https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. The role of genes in determining characteristics. * Genes as segments of DNA coding for proteins. * Characteristics determined by single or multiple genes. 2. The definition of alleles. * Alleles as different versions or forms of the same gene. 3. The concepts of dominant and ...

This video covers: - The types of elasticity (compress, stretch & bending) - The types of deformation (elastic & inelastic) - Hooke's Law - Idea of extension - Spring constant - Force-extension graphs General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for triple and combined science ...

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 ...

⭐️ https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Recap of Diffusion. 2. Introduction to Osmosis. 3. Understanding Water Concentration. * How the proportion of water to solutes determines concentration. 4. Osmosis in Cells. * Application of osmosis principles to cell membranes. * How water moves into or out of cells based on ...

GCSE level Electricity covering: Potential Dividers and how to divide the input voltage to produce an output voltage which is lower than the input voltage.

🦊 In this GCSE Physics video, we compare key rules and formulas for series and parallel circuits, focusing on the behavior of current, potential difference, and resistance. In series circuits, the same current flows through each component, while the total potential difference is the sum of the individual potentials, leading to increased ...