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NEET PHYSICSMedium

An ac source is connected to a capacitor CC. Due to decrease in its operating frequency

A

Capacitive reactance decreases

B

Displacement current increases

C

Displacement current decreases

D

Capacitive reactance remains constant

Step-by-Step Solution

Capacitive reactance XC=12πfCX_C = \frac{1}{2\pi f C}. If frequency ff decreases, XCX_C increases. Current I=VXCI = \frac{V}{X_C}, so current decreases. Displacement current is equal to conduction current in a capacitor circuit, so it decreases.

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