Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is half charged. when capacitor is fully charged. when capacitor is almost 25% charged. initially. when capacitor is half charged. when capacitor is fully charged. when capacitor is almost 25% charged. initially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source? 2P. 4P. P. 16P. 2P. 4P. P. 16P. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Poorest conductor of electricity is Steel. Carbon. Silver. Aluminium. Steel. Carbon. Silver. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is Va in the below circuit? (6R + 10) / 3. (4R + 10) / 3. (3R + 10) / 3. (6R - 10) / 3. (6R + 10) / 3. (4R + 10) / 3. (3R + 10) / 3. (6R - 10) / 3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sine wave is 100 A. Its peak value is 70.7 A. 282.8 A. 150 A. 141.4 A. 70.7 A. 282.8 A. 150 A. 141.4 A. 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? 100 Ohms. 200 Ohms. 50 Ohms. 25 Ohms. 100 Ohms. 200 Ohms. 50 Ohms. 25 Ohms. ANSWER DOWNLOAD EXAMIANS APP