Electric Circuits A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V. 50 8 2 36 50 8 2 36 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Metal alloys constantan and manganin. Tungsten. Brass. Platinum. Metal alloys constantan and manganin. Tungsten. Brass. Platinum. ANSWER DOWNLOAD EXAMIANS APP
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 f0 / 4. 2f0. f0 / 2. still f0. f0 / 4. 2f0. f0 / 2. still f0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is increase by two times. doubled. halved. remain same. increase by two times. doubled. halved. remain same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Dependent source of current and voltage are those which have independent of any other network variable. output dependent on input. All of these unidirectional characteristic. independent of any other network variable. output dependent on input. All of these unidirectional characteristic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω. 5.2. 6. 0.6. 3.4. 5.2. 6. 0.6. 3.4. ANSWER DOWNLOAD EXAMIANS APP
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