Electric Circuits The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is 10- 3 μF. 10 3 μF. 10- 6 μF. 10 6 μF. 10- 3 μF. 10 3 μF. 10- 6 μF. 10 6 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field line and an equipotential surface are always perpendicular. always parallel. inclined at any angle. none of above. always perpendicular. always parallel. inclined at any angle. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Form factor is equal to Peak factor in case of saw tooth wave. All of these square wave. triangle wave. saw tooth wave. All of these square wave. triangle wave. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. flux linking with the coil is maximum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power dissipation in ideal inductor is A finite value Zero Maximum Minimum A finite value Zero Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP