First slide

Phasors and Phasor Diagrams

Question

The figure shows variation of R, X_L and X_C with frequency f in a series L, C, R circuit. Then for what frequency point, the circuit is inductive

Moderate

A

A
B

B
C

C
D

All points

Solution

$At\,\,A:{X_C} > {X_L}$
$At\,\,B:{X_C} = {X_L}$
$At\,\,C:{X_C} < {X_L}$

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