In the type of generator found in a power station (Figure 26.15), a large electromagnet is made

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In the type of generator found in a power station (Figure 26.15), a large electromagnet is made to rotate inside a fixed coil. An e.m.f. of 25 kV is induced; this is an alternating voltage of frequency 50 Hz.


a. State the factor that determines the frequency.

b. Suggest the factors that you think would affect the magnitude of the induced e.m.f.

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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