Electric Circuits In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance. 38 mH. 35 mH. 34 mH. 30 mH. 38 mH. 35 mH. 34 mH. 30 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following lamp has least resistance ? 60 W, 220 V. 200 W, 220 V. 100 W, 220 V. 25 W, 220 V. 60 W, 220 V. 200 W, 220 V. 100 W, 220 V. 25 W, 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Open circuit voltage of a fully charged lead acid cell is 2 V. 2.7 V. 2.5 V. 1.9 V. 2 V. 2.7 V. 2.5 V. 1.9 V. ANSWER DOWNLOAD EXAMIANS APP
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. 36 8 2 50 36 8 2 50 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 100 V. 88 V. 70.7 V. 63.6 V. 100 V. 88 V. 70.7 V. 63.6 V. ANSWER DOWNLOAD EXAMIANS APP
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