Electric power lesson 5

OUTCOME

By the end of the lesson you will recognise that an EMF can be induced in a wire when it is moved within a magnetic field. This is a consequence of the law F = qv x B. By connecting the wire as a circuit a current is induced.

Electrons will experience a force when exposed to a magnetic field in a wire which will result in an induced EMF.

Copy of Induce EMF in wire.pptx

LEARNING TASKS

Explain

1. What is the force that acts on the electrons in the cathode ray tube?

2. How is this compared to the force acting on a moving wire?

3. How does this force then relate to induced EMF and this induced current

Explore and Elaborate

Prac: Bouncing magnets

Evaluate

Try Qs 1 - 7

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