Question

The expression of voltage across resistor in the circuit shown below is?

(a) VR = 20(e^t)V

(b) VR = 20(-e^-t)V

(c) VR = 20(-e^t)V

(d) VR = 20(e^-t)V

I have been asked this question in an online quiz.

My doubt stems from DC Response of an R-C Circuit in chapter Transients of Network Theory

Answer 1

Correct answer is (d) VR = 20(e^-t)V

Best explanation: The expression of voltage across resistor in the circuit is VR = iR =(2(e^-t))×10=20(e^-t)V.