Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 63.2% 90% 100% 68.3% 63.2% 90% 100% 68.3% 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. 50 Ohms. 200 Ohms. 25 Ohms. 100 Ohms. 50 Ohms. 200 Ohms. 25 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 5 × 10-9 J. 10 × 10-9 J. 0.01 J. 0.05 J. 5 × 10-9 J. 10 × 10-9 J. 0.01 J. 0.05 J. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The terminals across the source are ___________ if a voltage source is to be neglected. open circuited. replaced by a shunt resistance. replaced by a series resistance. short circuited. open circuited. replaced by a shunt resistance. replaced by a series resistance. short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the following networks it is not possible to find the transient free response? RL RLC RC RL, RC, and RLC RL RLC RC RL, RC, and RLC ANSWER DOWNLOAD EXAMIANS APP
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 almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. ANSWER DOWNLOAD EXAMIANS APP
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