Electric Circuits A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is 125 V. 0 V. 100 V. 75 V. 125 V. 0 V. 100 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I? 5 A. 6 A. 10 A. 4 A. 5 A. 6 A. 10 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is increase by two times. remain same. doubled. halved. increase by two times. remain same. doubled. halved. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 200 W, 200 V lamp is 200 Ω. 800 Ω. 100 Ω. 400 Ω. 200 Ω. 800 Ω. 100 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has no units? Permittivity Permeability Magnetic susceptibility Moment of a magnet Permittivity Permeability Magnetic susceptibility Moment of a magnet ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Efficiency of electrical machines should be calculated by measuring output and input. losses and input. losses and output. losses. output and input. losses and input. losses and output. losses. ANSWER DOWNLOAD EXAMIANS APP
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