A Transformer with 120

question 27

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?

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Definitions:

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Professionals trained to conduct polygraph tests, which are used to assess the veracity of individuals' statements.