RLC Circuits and Resonance

Q1:
What is the impedance of the circuit in the given circuit?

A

125.7

B

297.6

C

370.1

D

423.3

ANS:A -

125.7

Correct equation for impedance in an RLC series circuit is:

Z = Square root (R^2+(Xl-Xc)^2).

Using this equation after getting both Xl and Xc will give you 370. 1 ohms as the answer.

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