Question

At what frequency 1 Henry inductance offers same impedance as 1 microfarad capacitor?

Answer 1

Answer:

Solution :

Given that:

Resistance = 120-2 wo = 4x105 rad/sec

VR = 60 V

VL = 40v

We know that; At Resonance; Xc = XL

Z = R

60 0.5 A = 120 R

VL = (Irms) (x₂)

=> XL = VL Irms 40 802 = 0.5

XL = = 80

Lw= 80

L = 80 Wo 80 4x105 L = 20x10-5H 0.2m H =

wo= ⇒ C = 1 2

20x105x (4×105) 2 +x10-6 F 32

C =

LMF

option (C)

Explanation:

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