1.

For a series RL circuit, the impedance Z = 10 Ω at a frequency of 50 Hz. At 100 Hz the impedance is ___________

A. 10 Ω
B. 20 Ω
C. 1 Ω
D. More than 1 Ω but less than 10 Ω 0 Ω
Answer» E.


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