Electric Circuits In which of the circuits power factor can be zero? capacitive. both ‘a’ and ‘b’ inductive. resistive. capacitive. both ‘a’ and ‘b’ inductive. resistive. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit which of the following represents the Q factor ? XC/R VR/V All of these XL/R XC/R VR/V All of these XL/R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 1.8 µF. 4.78 µF. 8.51 µF. 10.54 µF. 1.8 µF. 4.78 µF. 8.51 µF. 10.54 µF. 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 series and third in parallel across this combination. all in series. two in parallel and third in series with this combination. all in parallel. two in series and third in parallel across this combination. all in series. two in parallel and third in series with this combination. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Power factor. Voltage. Current. All of above. Power factor. Voltage. Current. All of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor the electric charge is stored in metal plates. none of above. both of (A) and (B). dielectric. metal plates. none of above. both of (A) and (B). dielectric. ANSWER DOWNLOAD EXAMIANS APP