Electric Circuits The delta equation of given star connected impedance ZQR is equal to (10 + j30) Ω. 40 Ω. (20 + j10) Ω. (5 + j10 / 3) Ω. (10 + j30) Ω. 40 Ω. (20 + j10) Ω. (5 + j10 / 3) Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure, the value of Vs is 0, when I = 4 A. The value of I, when Vs = 16 V, is 10 A. 6 A. 8 A. 12 A. 10 A. 6 A. 8 A. 12 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Current. All of above. Voltage. Power factor. Current. All of above. Voltage. Power factor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Super position theorem is not applicable for power calculations. None of these voltage calculations. current calculations. power calculations. None of these voltage calculations. current calculations. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances? 3 Ω and 6 Ω. 3 Ω and 9 Ω. 6 Ω and 9 Ω. 1.5 Ω and 3 Ω. 3 Ω and 6 Ω. 3 Ω and 9 Ω. 6 Ω and 9 Ω. 1.5 Ω and 3 Ω. ANSWER DOWNLOAD EXAMIANS APP
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 8R Ω 4R Ω 2R Ω R Ω 8R Ω 4R Ω 2R Ω R Ω ANSWER DOWNLOAD EXAMIANS APP