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 R Ω 8R Ω 2R Ω 4R Ω R Ω 8R Ω 2R Ω 4R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them all in parallel. two in parallel and third in series with this combination. two in series and third in parallel across this combination. all in series. all in parallel. two in parallel and third in series with this combination. two in series and third in parallel across this combination. all in series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five capacitors each of 5 µF are connected in series, the equivalent capacitance of the system will be 1 µF 5 µF 10 µF 25 µF 1 µF 5 µF 10 µF 25 µF ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series R, L circuit power factor can be defined as P/S Vr/V All of these R/Z P/S Vr/V All of these R/Z ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit contains two unequal resistor in parallel voltage drops are according to their resistive value. currents in both are same. heat losses in both are same. voltage drops across both are same. voltage drops are according to their resistive value. currents in both are same. heat losses in both are same. voltage drops across both are same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the relation between line voltage and phase voltage in case of delta connection? VL = √3 VP. VL = VP. None of these. VL = 1/ √3 VP. VL = √3 VP. VL = VP. None of these. VL = 1/ √3 VP. ANSWER DOWNLOAD EXAMIANS APP