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PhysicsEMI/ACQuality and Power factorMedium2 minQB

PhysicsMediuminteger

In the given circuit power factor between A and B is 0.5 and over all power factor of the circuit is 1. Find the value of inductance L (in H).

Answer:

Solution:

An overall power factor of unity means series resonance.

$X_{L} = X_{C}$

$ω L = \frac{1}{ω C}$

$L = \frac{1}{ω ^{2} C} = \frac{1}{1 0 ^{2} \times 2 \times 1 0 ^{- 3}} = 5 H$

Stream:JEESubject:PhysicsTopic:EMI/ACSubtopic:Quality and Power factor

⏱ 2mℹ️ Source: QB

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