Networks Analysis and Synthesis - Engineering

Q1:

In figure, capacitor is uncharged. The switch is closed at t = 0 at t = 0+ di/dt is

A 100 A/s

B -100 A/s

C 1000 A/s

D -1000 A/s

ANS:B - -100 A/s

RC = 10-3, = 0.1 e-1000t. Therefore at t = 0+ equals -100 A/s.