Networks Analysis and Synthesis - Engineering

Q1:

An RLC series circuit has R = 30 Ω, XL = 30 Ω and XC = 30 W. Its impedance is

A 30 ∠0°.

B 30 ∠45°

C 42.42 ∠45°

D 90 ∠45°.

ANS:A - 30 ∠0°.

Z = 30 + j (30 - 30) = 30∠0 Ω.