Electrostatic and Capacitance When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of 2 joules 6 joules 4 joules 8 joules 2 joules 6 joules 4 joules 8 joules ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When the plate area of a capacitor increases, The capacitance is unaffected The voltage it can withstand increases The capacitance increases The capacitance decreases The capacitance is unaffected The voltage it can withstand increases The capacitance increases The capacitance decreases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors is marked for polarity ? Mica Electrolytic Air Paper Mica Electrolytic Air Paper ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The sparking between two electrical contacts can be reduced by inserting a resistance in line capacitor in parallel with contacts capacitor in series with each contact None of these resistance in line capacitor in parallel with contacts capacitor in series with each contact None of these ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Five time constants are required for a capacitor to charge fully or discharge fully. 1 1 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will Remains same Decrease None of the listed here Increase Remains same Decrease None of the listed here Increase ANSWER DOWNLOAD EXAMIANS APP