Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 4.78 µF. 10.54 µF. 8.51 µF. 1.8 µF. 4.78 µF. 10.54 µF. 8.51 µF. 1.8 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be 5 A 23.33 A 1 A 3.33 A 5 A 23.33 A 1 A 3.33 A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 135.86 Ω. 63.7 Ω. 0.015 Ω. 1.765 Ω. 135.86 Ω. 63.7 Ω. 0.015 Ω. 1.765 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 63.6 V. 88 V. 100 V. 70.7 V. 63.6 V. 88 V. 100 V. 70.7 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram 1 mA. 2 mA. 6 mA. 0 mA. 1 mA. 2 mA. 6 mA. 0 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sinusoidal voltage wave V = 200sinω0t 200√2 V. 100√2 V. 100 V. 200 V. 200√2 V. 100√2 V. 100 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP