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 almost 25% charged. when capacitor is fully charged. initially. when capacitor is half charged. when capacitor is almost 25% charged. when capacitor is fully charged. initially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The term trickle charge is associated with nickel iron battery. dry cell. silver zinc battery. lead acid battery. nickel iron battery. dry cell. silver zinc battery. lead acid battery. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V. 2 36 50 8 2 36 50 8 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be 30 mA. 300 mA. 3 A. 100 mA. 30 mA. 300 mA. 3 A. 100 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases the current increases. the current decreases. the current decreases abruptly. the current remain unaltered. the current increases. the current decreases. the current decreases abruptly. the current remain unaltered. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the resistance. 500 Ohms. 480 Ohms. 1000 Ohms. 100 Ohms. 500 Ohms. 480 Ohms. 1000 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS