The primary coil of a transformer contains 100 turns; the secondary has 200 turns. The primary coil is connected to a size AA battery that supplies a constant voltage of 1.5 volts. What voltage would be measured across the secondary coil?
A
3 volts
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B
0.75 volts
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C
0 volts
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D
1.5 volts
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Solution
The correct option is C 0 volts There would be no voltage across the secondary. A DC current does not cause an EMF.