Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is still f0. 2f0. f0 / 4. f0 / 2. still f0. 2f0. f0 / 4. f0 / 2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 are connected in series across the voltage source where R1 > R2. The largest drop will be across none of them. R2. either R1 or R2. R1. none of them. R2. either R1 or R2. R1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Platinum. Tungsten. Metal alloys constantan and manganin. Brass. Platinum. Tungsten. Metal alloys constantan and manganin. Brass. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced 3 - φ star connected load is fed from a 208 V, 3 - φ supply. Each load has resistance of 35 Ω. The total power is 618 W. 1236 W. none of these. 411.3 W. 618 W. 1236 W. none of these. 411.3 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor? 16V 4V 10V 8V 16V 4V 10V 8V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is semi circle. triangle. circle. straight line. semi circle. triangle. circle. straight line. ANSWER DOWNLOAD EXAMIANS APP