Electric Circuits A variable capacitance is one whose capacitance changes with temperature. changes with time. can be changed manually or by mechanical force. changes with voltage. changes with temperature. changes with time. can be changed manually or by mechanical force. changes with voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the flux linking with the coil is maximum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. rate of cutting flux by coil sides is minimum. flux linking with the coil is maximum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. rate of cutting flux by coil sides is minimum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of specific gravity of acid when a lead acid battery is fully charged is 1.285. 2.9585. 2.585. 2.185. 1.285. 2.9585. 2.585. 2.185. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 are connected in series across the voltage source where R1 > R2. The largest drop will be across R1. R2. none of them. either R1 or R2. R1. R2. none of them. either R1 or R2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Apparent power × cosθ. Apparent power × sinθ. Real power × sinθ. Real power × cosθ. Apparent power × cosθ. Apparent power × sinθ. Real power × sinθ. Real power × cosθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is 39.1 V. 45.5 V. 31.9 V. 50.5 V. 39.1 V. 45.5 V. 31.9 V. 50.5 V. ANSWER DOWNLOAD EXAMIANS APP