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ECE · Q117

Network Theory And Analysis

Engineering and GATE · ECE · question 117

Q117

In a series RL circuit, R = 20 ohms, L = 0.1 H and frequency is 50 Hz. The impedance of the circuit would be doubled by making

A.
R = 40 ohms
B.
R = 52.6 ohms
C.
R = 67.5 ohms
Answer
D.
R = 72.5 ohms

Answer: Option C

Solution

Answer: Option C
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