SSC JE Electrical Engineering 2012 Paper

Question : 125 of 200

Marks: +1, -0

In the series RC circuit, the voltage across C stars increasing, the moment the circuit is switched to V Volts dc. The rate of increase of voltage across C at the instant just after the switch is closed (i.e. at t =

0^{+}

) is

RV/C
CV/R
V/RC
R/CV

Validate

Solution:

t=0

C{dv}/{dt}=V/R

{dv}/{dt}=V/{RC}

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