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in Electromagnetic induction and alternating currents by (15 points)
The resistance of the primary coil of a well-designed, 1: 10 step-down transfomer is 12. With the secondary circuit open, the primary is connected to a 12 V ac generator. The primary current is:

(a) essentially zero

(6) about 12 A

(c) about 120 A

(d) depends on the actual number of turns in the primary coil

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1 Answer

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by (15 points)
It's zero because it's an open circuit

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