You can turn a bicycle dynamo by hand and cause the lamps to light up. Use the
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You can turn a bicycle dynamo by hand and cause the lamps to light up. Use the idea of Lenz’s law to explain why it is easier to turn the dynamo when the lamps are switched off than when they are on.
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From statement of Lenzs law the induced emf will always oppose the change in t...View the full answer
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Related Book For
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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