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 R Ω 8R Ω 2R Ω 4R Ω R Ω 8R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is 500 ohms. 50 ohms. 1000 ohms. 5000 ohms. 500 ohms. 50 ohms. 1000 ohms. 5000 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant voltage source has high internal resistance. minimum efficiency. low internal resistance. minimum current capacity. high internal resistance. minimum efficiency. low internal resistance. minimum current capacity. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is less than 50 %. 50 % - 100 %. 100 %. 50 %. less than 50 %. 50 % - 100 %. 100 %. 50 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is 125 pF. 250 pF. 1000 pF. 500 pF. 125 pF. 250 pF. 1000 pF. 500 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of unity impulse function at time (t) = 0 is indeterminate. 1. 0. infinite. indeterminate. 1. 0. infinite. ANSWER DOWNLOAD EXAMIANS APP