Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R < r. None of these R > r. R = r. R < r. None of these R > r. R = r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by changing the distance between the plates only. changing the overlapping area of the plates only. All of these changing the dielectric medium only. changing the distance between the plates only. changing the overlapping area of the plates only. All of these changing the dielectric medium only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 88 V. 63.6 V. 100 V. 70.7 V. 88 V. 63.6 V. 100 V. 70.7 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If 1 A current flows in a circuit, the number of electrons flowing through this circuit is 1.6 × 1019 0.625 × 10 - 19 0.625 × 1019 1.6 × 10 - 19 1.6 × 1019 0.625 × 10 - 19 0.625 × 1019 1.6 × 10 - 19 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which property is used to oppose the flow of current ? Resistance Poteintial difference Capacitance Inductance Resistance Poteintial difference Capacitance Inductance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will decrease. remains unchanged. increase. becomes zero. decrease. remains unchanged. increase. becomes zero. ANSWER DOWNLOAD EXAMIANS APP
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