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1. |
An inductive coil has a resistance of 100?. When an AC signal of frequency 1000Hz is fed to the coil the applied voltage leads the current by 45?. What is the inductance of the coil? |
A. | 10mH |
B. | 12mH |
C. | 16mH |
D. | 20mH |
Answer» D. 20mH | |