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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 is the steady state angular velocity at no-load? |
A. | 480 rad/s |
B. | 960 rad/s |
C. | 320 rad/s |
D. | 490 rad/s |
Answer» B. 960 rad/s | |