A transformer for an answering machine takes an ac voltage, Physics

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A transformer for an answering machine takes an ac voltage

A transformer for an answering machine takes an ac voltage of amplitude170V as its input and supplies a8.4V amplitude to the answering machine. The primary has400turns.

(a) How many turns does the secondary have?

(b) When idle, the answering machine uses a maximum power of6.0W. What is the amplitude of the current drawn from the170V line?

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Physics: A transformer for an answering machine takes an ac voltage

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Physics: A transformer for an answering machine takes an ac voltage

Reference No:- TGS0635681

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