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Institute of Physics
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 109: Electrical Characteristics
Produced by the Institute of Physics, in this practical investigation students measure the current and voltage characteristics for several components and identify ohmic and non-ohmic behaviour. Students determine the V-I characteristics for: • a carbon resistor • semiconductor diode • a filament lamp In addition,...
Episode 110: Resistance and Temperature
From the Institute of Physics, this learning episode looks at the resistance of a metal and a semiconductor, giving a microscopic explanation of how resistance can vary with temperature. There is also a brief look at superconductivity and its applications.
...Episode 111: Semiconductor Devices
LDRs (light dependent resistors) are semiconductor devices. From the Institute of Physics, in this learning episode students investigate the resistance of an LDR at different light intensities. This can be used as a basis to explain how photons liberate free electrons...
Episode 112: Resistivity
In this learning episode, from the Institute of Physics, students see how and why the resistance of a wire depends on the wire’s dimensions. They learn the definition of resistivity and use it in calculations.
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Pages
| Subject(s) | Science, Physics, Practical work |
|---|---|
| Age | 16-19 |
| Published | 2000 - 2009 |
| Published by | |
| Collections | |
| Direct URL | https://www.stem.org.uk/cx4wq |
