Short Answer
A transformer with 120. turns in its secondary supplies 12. volts at 220. ma to a toy train. The primary is connected across a 120. V wall outlet.
(a) How many turns are in the primary?
(b) What is the primary current?
(c) What power is delivered by the wall outlet?
Correct Answer:
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(a)1.2 × 1...View Answer
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Correct Answer:
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