Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. εr/F. F εr. 0. F. εr/F. F εr. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is 10- 3 μF. 10 6 μF. 10- 6 μF. 10 3 μF. 10- 3 μF. 10 6 μF. 10- 6 μF. 10 3 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the frequency of domestic power in India? 220 Hz. 60 Hz. 70 Hz. 50 Hz. 220 Hz. 60 Hz. 70 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? Both (1) and (2). Only (2). Only (1). None of these. Both (1) and (2). Only (2). Only (1). None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is 15 μF. 1.5 F. 0.015 F. 1.5 μF. 15 μF. 1.5 F. 0.015 F. 1.5 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance? Yellow, violet, yellow and silver stripes. Red, red, green and silver stripes. Brown, black, orange and no tolerance band. Orange, orange, black and gold stripes. Yellow, violet, yellow and silver stripes. Red, red, green and silver stripes. Brown, black, orange and no tolerance band. Orange, orange, black and gold stripes. ANSWER DOWNLOAD EXAMIANS APP
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