Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 4R. R. 0.5R. 2R. 4R. R. 0.5R. 2R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is varying, the shape of the current locus is Circle Straight line Triangle Semicircle Circle Straight line Triangle Semicircle ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is RBY. BRY. YRB. RYB. RBY. BRY. YRB. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, infinite zero, zero infinite, infinite infinite, zero zero, infinite zero, zero infinite, infinite infinite, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Millman theorem yields equivalent voltage source. current source. both ‘c’ and ‘d’ . impedance. voltage source. current source. both ‘c’ and ‘d’ . impedance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit which of the following represents the Q factor ? XL/R All of these VR/V XC/R XL/R All of these VR/V XC/R ANSWER DOWNLOAD EXAMIANS APP
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