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RL Circuits - Technical MCQs

Q1:

If XL= 100 omega.gif and R = 100 omega.gif, then impedance will be

A 141.4 omega.gif

B 14.14 omega.gif

C 100 omega.gif

D 200 omega.gif

ANS:A - 141.4 omega.gif

z= √(r^2+Xl^2).
=√(100^2+100^2).
=√20000).
= 141.4.