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 2R Ω 4R Ω 8R Ω R Ω 2R Ω 4R Ω 8R Ω R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The charge of an electron is - 1.675 × 10 - 27 Coulombs. - 1.672 × 10 - 27 Coulombs. - 9.109 × 10 - 31 Coulombs. - 1.602 × 10 - 19 Coulombs. - 1.675 × 10 - 27 Coulombs. - 1.672 × 10 - 27 Coulombs. - 9.109 × 10 - 31 Coulombs. - 1.602 × 10 - 19 Coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For Norton’s equivalent circuit Voc = Req /Isc. Voc = Isc / Req. Isc = Voc Req. Isc = Voc / Req. Voc = Req /Isc. Voc = Isc / Req. Isc = Voc Req. Isc = Voc / Req. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 50 Ohms. 200 Ohms. 100 Ohms. 25 Ohms. 50 Ohms. 200 Ohms. 100 Ohms. 25 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Regenerative. None of these. Dynamic. Plugging. Regenerative. None of these. Dynamic. Plugging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Active element of electrical circuit is voltage source. both of them. current source. none of above. voltage source. both of them. current source. none of above. ANSWER DOWNLOAD EXAMIANS APP