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What is the voltage in the resistor as soon as the switch is closed at t=0.(a) 0V(b) Infinity(c) 220V(d) Insufficient information providedI got this question by my school principal while I was bunking the class.My question is taken from Transients in CR Networks topic in portion Capacitance and Capacitors of Basic Electrical Engineering

Answer»

Right OPTION is (c) 220V

For explanation: As soon as the switch is CLOSED at t=0, there is no charge in the capacitor, HENCE the voltage across the capacitor is zero and all the 220V voltage is the voltage across the RESISTOR.



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