Signals and Systems - Engineering

Q1:

An ac circuit has an impedance of (3 + j6) ohm for fundamental. The impedance for fifth harmonic is

A (15 + j 30) Ω

B (15 + j 6) Ω

C (3 + j 30) Ω

D (3 + j 1.2) Ω

ANS:C - (3 + j 30) Ω

R is independent of w and XL ∝ ω.