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RL Circuits - Technical MCQs

Q1:

The impedance of the circuit in the given circuit is approximately equal to _____.

A 2 komega.gif

B 750 omega.gif

C 1.25 komega.gif

D 1 komega.gif

ANS:C - 1.25 komega.gif

Z=sqrt(R^2+XL^2)
XL=LW
=L*2*pi*f
=24mH*2*3.14*5K
=753.6
Z=sqrt(1000000+567912.96)
=1.25k