Question

A step – down transformer inside a stereo receiver has 330 turns in the primary coil and 25 turns in the secondary coil. The plug connects the primary coil to a 120 V wall socket, and there is a current of 0.83 A in the primary coil while the receiver is turned on. Connected to the secondary coil are the transistor circuits of the receiver.
Find (a) the voltage across the secondary coil,

(b) the current in the secondary coil

(c) the average electric power delivered to the transistor circuits.

Answer 1

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