Electric Circuits In the circuit shown in the figure the voltage across the 2 Ω resistor is 4 V. 3 V. 2 V. 1 V. 4 V. 3 V. 2 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 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 4R Ω 2R Ω R Ω 8R Ω 4R Ω 2R Ω R Ω 8R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 1:1. 1:8. 4:1. 1:2. 1:1. 1:8. 4:1. 1:2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is b - N + 1. N. b - N - 1. N - 1. b - N + 1. N. b - N - 1. N - 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. all of these. impedance. power factor. resistance. all of these. impedance. power factor. resistance. ANSWER DOWNLOAD EXAMIANS APP
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