Home Physics Alternating Current AC Source With R, L, C Connected in Series An AC voltage source of variable angular fre…
Physics Alternating Current AC Source With R, L, C Connected in Series MCQ (Single Correct)

An AC voltage source of variable angular frequency ω and fixed amplitude V connected in series with a capacitance C and an electric bulb of resistance R (inductance zero). When ω is increase:

A
the bulb glows dimmer
B
the bulb glows brighter
C
total impedance of the circuit is unchanged
D
total impedance of the circuit increases

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Text Solution

Verified by Experts
The correct answer is:
B

Impedance

as increases, decreases.

Hence bulb will glow brighter

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