Electric Circuits Average power taken by the pure capacitor is Any of the above Minimum Zero Maximum Any of the above Minimum Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? both ‘a’ and ‘b’ inductive. capacitive. resistive. both ‘a’ and ‘b’ inductive. capacitive. resistive. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance R / n2. nR . n2 / R. n2R. R / n2. nR . n2 / R. n2R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ac voltage source v = vo sinωt is connected across a parallel plate capacitor C. If the conductor current is ic and the displacement current is id, then which is true among following relation ic < id. ic = id. ic + id = 0. ic > id. ic < id. ic = id. ic + id = 0. ic > id. 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 inductance. 2.25 µF. 6.37 µF. 0.47 µF. 1.58 µF. 2.25 µF. 6.37 µF. 0.47 µF. 1.58 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. infinite, zero infinite, infinite zero, zero zero, infinite infinite, zero infinite, infinite zero, zero zero, infinite ANSWER DOWNLOAD EXAMIANS APP