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 fully charged. when capacitor is half charged. initially. when capacitor is almost 25% charged. when capacitor is fully charged. when capacitor is half charged. initially. when capacitor is almost 25% charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits During electroplating the amounts of different substances liberated by same quantity of electricity are proportional to their valency. atomic weights. chemical equivalents. atomic numbers. valency. atomic weights. chemical equivalents. atomic numbers. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series resonance circuit if bandwidth is 1 MHz and inductance is 1 mH, then what is the resistance value? 1 Ω 100 Ω 1 MΩ 1 KΩ 1 Ω 100 Ω 1 MΩ 1 KΩ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be 400 N 100 N 0.02 N 160 N 400 N 100 N 0.02 N 160 N ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance changes with voltage. can be changed manually or by mechanical force. changes with temperature. changes with time. changes with voltage. can be changed manually or by mechanical force. changes with temperature. changes with time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If P is the power of a star connected system then what will be power of an equivalent delta connected system? P None of these P/3 3P P None of these P/3 3P ANSWER DOWNLOAD EXAMIANS APP
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