Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R < r. R = r. R > r. None of these R < r. R = r. R > r. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitive circuit, the capacitive reactance is indirectly proportional to frequency directly proportional to frequency directly proportional to the square of frequency indirectly proportional to the square of frequency indirectly proportional to frequency directly proportional to frequency directly proportional to the square of frequency indirectly proportional to the square of frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. impedance. all of these. resistance. power factor. impedance. all of these. resistance. power factor. 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 100 mA. 300 mA. 30 mA. 3 A. 100 mA. 300 mA. 30 mA. 3 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is 10- 6 μF. 10- 3 μF. 10 6 μF. 10 3 μF. 10- 6 μF. 10- 3 μF. 10 6 μF. 10 3 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following materials has highest electrical conductivity ? Silver. Copper. Steel. Aluminium. Silver. Copper. Steel. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
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