SAT Subject Physics Practice Question 441: Answer and Explanation

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Question: 441

2. A transformer contains 4000 turns on its primary side and 500 turns on the secondary side. If the input voltage is 240 V, calculate the voltage output of the secondary side.

A. 15 V
B. 30 V
C. 60 V
D. 120 V
E. 240 V

Correct Answer: B

Explanation:

The correct answer is (B). The transformer equation is

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