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Alternating Current question

2022 · 26 Jul · Shift 1 · Q50

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JEE Main
Physics
Alternating Current
2022 · 26 Jul · Shift 1 · Q50

Alternating Current question

2022 · 26 Jul · Shift 1 · Q50

JEE MainPhysicsAlternating CurrentMCQ+4 / −1

In a series

L R

circuit

X_{L}=R

and power factor of the circuit is

P_{1}

. When capacitor with capacitance

C

such that

X_{L}=X_{C}

is put in series, the power factor becomes

P_{2}

. The ratio

\frac{P_{1}}{P_{2}}

is:

A
$\frac{1}{2}$
B
$\frac{1}{\sqrt{2}}$
C
$\frac{\sqrt{3}}{\sqrt{2}}$
D
2 : 1

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