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Physics
A wire of resistance R is coiled inductively so that its inductance is L. The impedance of the coil at a frequency of f is_______________?
A
(R+2πfL)
Option A
B
R+1/2πfL
Option B
C
(R2+f2L2)
Option C
(R2+4π2f2L2)
Correct answer
Correct answer: D
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