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. 2 50 8 36 2 50 8 36 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 1 Hz. 1000 Hz. 100 Hz. 10 Hz. 1 Hz. 1000 Hz. 100 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of E within the field due to a point charge can be found with help of Coulombs law. Faradays law. Lenzs law. Kirchhoffs law. Coulombs law. Faradays law. Lenzs law. Kirchhoffs law. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity consists of a unit 1KWh ? Energy Time Charge Power Energy Time Charge Power ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage? 7V 4V 5V 3V 7V 4V 5V 3V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 60. 75. 105. 15. 60. 75. 105. 15. ANSWER DOWNLOAD EXAMIANS APP
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