Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 2. 0.5. 4. 0.25. 2. 0.5. 4. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy stored by a capacitor is given by Q2 / 2C. 1/2 CV2. all of them. 1/2 QV. Q2 / 2C. 1/2 CV2. all of them. 1/2 QV. ANSWER DOWNLOAD EXAMIANS APP
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? 10.54 µF. 4.78 µF. 8.51 µF. 1.8 µF. 10.54 µF. 4.78 µF. 8.51 µF. 1.8 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Third pin of a 3 pin plug is thicker and longer for protection purpose. all pins are of same size. for designing purpose. none of these. for protection purpose. all pins are of same size. for designing purpose. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 200 W, 200 V lamp is 400 Ω. 800 Ω. 100 Ω. 200 Ω. 400 Ω. 800 Ω. 100 Ω. 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. ANSWER DOWNLOAD EXAMIANS APP
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