A transformer for an answering machine takes an ac voltage of amplitude 170 V as its input
Question:
(a) How many turns does the secondary have?
(b) When idle, the answering machine uses a maximum power of 5.0 W. What is the amplitude of the current drawn from the 170-V line?
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Related Book For
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
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