Teaching Advanced Physics: Electric current

From the Institute of Physics, these resources are split into topics and each topic is subdivided into a number of learning episodes. Each episode represents a coherent section of teaching which is typically one or two lessons. The topics covered include: * Electric current and charge carriers * Electrical resistance, thermistors and LDRs * Series and parallel circuits * Kirchhoff’s laws * Electrical energy and power (direct and alternating current) * EMF and internal resistance * Capacitors, capacitance, energy and discharge * Semiconductor devices

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Episode 125: Introducing Capacitors

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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Episode 126: Capacitance and the Equation C = Q/V

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.

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Episode 127: Capacitors in Series and Parallel

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...

Episode 128: Energy Stored by a Capacitor

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.

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