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 75 V. 0 V. 125 V. 100 V. 75 V. 0 V. 125 V. 100 V. 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. doubled. remain same. halved. increase by two times. doubled. remain same. halved. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Nodal analysis can be applied for planar networks. neither planar and non planar networks. non planar networks. both planar and non planar networks. planar networks. neither planar and non planar networks. non planar networks. both planar and non planar networks. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 1. 10. 0.85. 0.4. 1. 10. 0.85. 0.4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10Ω resistor is stretched to increase its length double. Its resistance will now be 40 Ω. 10 Ω. 5 Ω. 20 Ω. 40 Ω. 10 Ω. 5 Ω. 20 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? inductive. capacitive. resistive. both ‘a’ and ‘b’ inductive. capacitive. resistive. both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP