If a 12 V battery is connected across the primary of a transformer with a turns ratio of 1:4, then the secondary voltage is ________.
A)3 V
B)0 V
C)12 V
D)48 V

Name: If a 12 V battery is connected across the primary of a transformer with a turns ratio of 1:4, then the secondary voltage is ________. A)3 V B)0 V C)12 V D)48 V
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Question

Quizplus · Accepted Answer

Transformers only work with AC voltage, not DC. Since a 12 V battery provides DC, the secondary voltage will be 0 V.

If a 12 V Battery Is Connected Across the Primary