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 8R Ω 2R Ω R Ω 4R Ω 8R Ω 2R Ω R 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 1:8. 1:2. 4:1. 1:1. 1:8. 1:2. 4:1. 1:1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network? 10A 1A 0A 5A 10A 1A 0A 5A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Absolute permittivity of dielectric medium is represented as ε0 εrε0 εr/ε0 εr ε0 εrε0 εr/ε0 εr ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be 100√2 V, 100 Hz. 100 V, 100 Hz. 50√2 V, 100 Hz. 100 V, 50 Hz. 100√2 V, 100 Hz. 100 V, 100 Hz. 50√2 V, 100 Hz. 100 V, 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance. 38 mH. 34 mH. 30 mH. 35 mH. 38 mH. 34 mH. 30 mH. 35 mH. ANSWER DOWNLOAD EXAMIANS APP
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