Electric Circuits A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is 15 μF. 0.015 F. 1.5 μF. 1.5 F. 15 μF. 0.015 F. 1.5 μF. 1.5 F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10Ω resistor is stretched to increase its length double. Its resistance will now be 5 Ω. 10 Ω. 40 Ω. 20 Ω. 5 Ω. 10 Ω. 40 Ω. 20 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 800 Ω. 4 Ω. 40 Ω. 400 Ω. 800 Ω. 4 Ω. 40 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 0.4. 10. 1. 0.85. 0.4. 10. 1. 0.85. ANSWER DOWNLOAD EXAMIANS APP
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 energy stored by a capacitor is given by Q2 / 2C. 1/2 QV. 1/2 CV2. all of them. Q2 / 2C. 1/2 QV. 1/2 CV2. all of them. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS