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Tuesday, October 29, 2013

A resistance 5ohm inductance 0.02 H and capacitor 5 uf are connected in series.find the value of power factor at resonance condition.

A resistance 5ohm inductance 0.02 H and capacitor 5 uf are connected in series.find the value of power factor at resonance condition.

a. 0.6
b. 0.8
c. 0.9
d. 1

Answer:

at resonance condition,XL=XC and therefore Z=R, hence for pure resistive circuit pf will be unity.

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