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:
•...

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
•...

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...

From the Institute of Physics, this episode introduces (or revises) the equations of motion. During a practical task, students undertake direct measurements to ensure that they understand the basic physics of velocity, distance and time.

Activities help students to understand:
• scalars and vectors,...

This learning episode, from the Institute of Physics, looks at basic kinematics and introduces the equations of motion for uniform acceleration. It involves practicing calculations and compares uniform with non-uniform acceleration.

Activities look at:
• non-uniform acceleration down a ramp
•...

From the Institute of Physics, this resource is concerned with the conservation of mechanical energy and the principle in its wider context.

Students look at the meaning of power, undertake sample calculations and the measurement of human power.

Activities include:
• discussing the meaning of...

From the Institute of Physics, this learning episode extends the idea of conservation of momentum into elastic collisions, in which, because kinetic energy (KE) is conserved. Useful information can also be found by calculating the changes in KE of the colliding objects. The activities include: • introducing elastic...

In this learning episode, from the Institute of Physics, students use experimental techniques and modelling to investigate simple harmonic motion (SHM). The activities include discussions, practical investigations and worked examples, including: • linking Hooke's law and SHM • investigating a loaded spring...

In this learning episode from the Institute of Physics, through a demonstration and the production of a presentation, students extend their understanding of the nature of different types of electromagnetic radiation, and considers their shared nature.

The activities look at:
• using heat detector and...

In this learning episode, from the Institute of Physics, students look at standing waves in musical instruments and measure their wavelength. Microwaves are used to estimate the speed of light.

The activities include:
* demonstrating waves in a rope
* how superposition results in standing waves...