Electric Circuits The energy stored by a capacitor is given by 1/2 CV2. Q2 / 2C. all of them. 1/2 QV. 1/2 CV2. Q2 / 2C. all of them. 1/2 QV. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Ceq of two capacitors connected in series is given by C1 C2 / (C1 + C2). C1 = C2. C1C2. C1 + C2. C1 C2 / (C1 + C2). C1 = C2. C1C2. C1 + C2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be R Ω 4R Ω 8R Ω 2R Ω R Ω 4R Ω 8R Ω 2R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 1 0.5 3.149 2.56 1 0.5 3.149 2.56 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Plugging. Regenerative. None of these. Dynamic. Plugging. Regenerative. None of these. Dynamic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The mass of the atom is determined by electrons. neutron and proton. electron and proton. proton. electrons. neutron and proton. electron and proton. proton. ANSWER DOWNLOAD EXAMIANS APP