Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when None of these R > r. R = r. R < r. None of these R > r. R = r. R < r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 1. 0.5. 0.866. 0.577. 1. 0.5. 0.866. 0.577. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram 6 mA. 1 mA. 2 mA. 0 mA. 6 mA. 1 mA. 2 mA. 0 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit to get Q>1, which of the following is required? XL < R All of these XL > R XL = R XL < R All of these XL > R XL = R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant voltage source has minimum current capacity. high internal resistance. minimum efficiency. low internal resistance. minimum current capacity. high internal resistance. minimum efficiency. low internal resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series resonant circuit impedance is none of these. minimum. zero. maximum. none of these. minimum. zero. maximum. ANSWER DOWNLOAD EXAMIANS APP
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