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1. |
A magnetic circuit requires 800 AT to produce a certain quantity of flux in the magnetic circuit. If its excitation coil has 100 turns and 5-ohm resistance, the voltage to be applied in the exciting coil is _____. |
A. | 60 V |
B. | 40 V |
C. | 80 V |
D. | 8 V |
Answer» C. 80 V | |