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Calculate di(0)/dt if the switch is closed at t=0.(a) -9.9A/s(b) -10A/s(c) 0A/s(d) -0.1A/sThis question was posed to me in examination.Asked question is from Transients in CR Networks in division Capacitance and Capacitors of Basic Electrical Engineering

Answer»

The CORRECT choice is (d) -0.1A/s

To explain: Applying KVL to the given CIRCUIT, we GET:

i=i0e^-t/RC = (100/10)e^-t/100

i=10 e^-t/100

di/dt = -(10/100) e^-t/100

di(0)/dt=-0.1A/s.



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