A magnetic circuit requires 800 AT to produce a certain quantity of ___

A magnetic circuit requires 800 AT to produce a certain quantity of flux in magnetic circuit.

If its excitation coil has 100 turns and 5 ω resistance, the voltage to be applied in exciting coil is

A. 60 V
B. 40 V
C. 80 V
D. 8 V

Show Answer

Answer: B

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