Electric Circuits The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is 55.1 µ joules. 18 µ joules. 10 µ joules. 20 µ joules. 55.1 µ joules. 18 µ joules. 10 µ joules. 20 µ joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit what is the power factor just above the resonance frequency? Unity Leading Zero Lagging Unity Leading Zero Lagging ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them two in parallel and third in series with this combination. two in series and third in parallel across this combination. all in parallel. all in series. two in parallel and third in series with this combination. two in series and third in parallel across this combination. all in parallel. all in series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R > r. R = r. None of these R < r. R > r. R = r. None of these R < r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current magnification will occur in which of the following case? Series resonance Both None of these Parallel resonance Series resonance Both None of these Parallel resonance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The breakdown voltage for paper capacitor is usually 2000 to 3000 volts. more than 10000 volts. 20 to 60 volts. 200 to 1600 volts. 2000 to 3000 volts. more than 10000 volts. 20 to 60 volts. 200 to 1600 volts. ANSWER DOWNLOAD EXAMIANS APP