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Question

The impedance of a choke coil is 25 Ω and its reactance is 24 Ω. The resistance of the choke coil is


Your Answer
A
1 Ω
Correct Answer
B
7 Ω
Your Answer
C
13 Ω
Your Answer
D
25 Ω

Solution

The correct option is B 7 Ω
Z=R2+XL2
R2=Z2XL2=252242
R=7

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