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. initially. when capacitor is almost 25% charged. when capacitor is fully charged. when capacitor is half charged. initially. when capacitor is almost 25% charged. when capacitor is fully charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is 63.68 Ω. 15.92 Ω. 7.96 Ω. 31.84 Ω. 63.68 Ω. 15.92 Ω. 7.96 Ω. 31.84 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A two port network is defined by the relation The value of Z12 is 2/31. 3/41. -3. 3. 2/31. 3/41. -3. 3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field line and an equipotential surface are always parallel. inclined at any angle. always perpendicular. none of above. always parallel. inclined at any angle. always perpendicular. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values 15 20 5 10 15 20 5 10 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is 2C Farad. 16C Farad. C Farad. 4C Farad. 2C Farad. 16C Farad. C Farad. 4C Farad. ANSWER DOWNLOAD EXAMIANS APP
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