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Basic Op-Amp Circuits - Technical MCQs

Q1:

The formula mcq19_1008_1.gif shows that for a given capacitor, if the voltage changes at a constant rate with respect to time, the current will

A increase

B decrease

C be constant

D decrease logarithmically

ANS:C - be constant

Ic = (Vc/t)(c).

Perform Differentiation on the equation:
dIc/dt = (dVc/dt)----> (1).
Since dVc/dt = k then,
dIc/dt = k.