Part of a suite of activities produced by the Institute of Physics, this resource helps students develop their competence in using equations relating power and energy, in an electrical context.

The activities in this...

From the Institute of Physics, this learning episode links Kirchhoff’s circuit laws to the conservation of charge and energy. Students can verify the laws experimentally and use them to solve simple circuit problems.

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Produced by the Institute of Physics, this student experiment introduces the use of a potential divider as a source of variable potential difference. Students also learn to use potential dividers to detect temperature or light levels.

Produced by the Institute of Physics, this learning episode can be used to revises the idea of electromotive force (emf), introduce internal resistance and the consequent energy losses.

The activities include:
•...

In this learning episode, from the Institute of Physics, students derive the equation relating electromotive force (emf), terminal potential difference, current and internal resistance. They then tackle questions about the internal resistance of a power supply.

Produced by the Institute of Physics, this learning episode helps students to distinguish alternating from direct currents before revising why alternating current (ac) is so important.

The range of activities include...

In this learning episode from the Institute of Physics, students are introduced to capacitors. Through practical investigations, students look at their charge and discharge process.

The activities include:
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This learning episode, from the Institute of Physics, helps students understand how capacitors charge and the concept of capacitance. Students investigate the relationship between charge and potential difference across a capacitor.

In this learning episode, from the Institute of Physics, students derive formulae for capacitors in series and parallel to reinforce their understanding of circuits involving capacitors.

The activities in this...

Produced by the Institute of Physics, this learning episode looks at the energy stored in a capacitor. Students undertake a practical investigation to look at the energy stored and how this varies with potential difference and capacitance.

In this learning episode from the Institute of Physics, students investigate and characterise the exponential discharge of a capacitor.

Activities include:
• looking at exponential discharge
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From the Institute of Physics, this learning episode looks at energy stored in capacitors and springs as well as the comparison between radioactive decay and a capacitor's discharge. It allows students to explore the concepts of energy storage and exponential decrease...

In this learning episode, from the Institute of Physics, students discuss, examine and enhance their understanding of scalars and vectors. For some students this will be a revision session whilst others may be less familiar with the concepts. The topics examined include: * defining scalar and vector quantities *...

Produced by the Institute of Physics, this learning episode contains demonstrations and practical activities through which students learn about the conditions for static equilibrium (excluding moments of forces).

Students look at:
• forces on a horizontal washing line with a weight in the middle...

This learning episode from the Institute of Physics, uses discussion and experimental work to help students investigate the application of moments beyond the simple 'see-saw' model.

Activities lead to an application of moments to general equilibrium situations.

Students look at:
* moments and...