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1. |
The simple rotating loop between pole faces connected to a battery and resistor through a switch, the specifications of this machine are radius = 0.5m, length 1m, resistance = 0.3 ohms and magnitude strength = 0.25T is supplied with 120V. What will be the magnitude of the following current at t=0+? |
A. | 400A |
B. | 200A |
C. | 0 |
D. | any of the mentioned |
Answer» B. 200A | |