Electric Circuits In direct arc furnace which of following is of high value? Voltage. All of above. Current. Power factor. Voltage. All of above. Current. Power factor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – εr/F. 0. F εr. F. εr/F. 0. F εr. F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage? 3V 5V 4V 7V 3V 5V 4V 7V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 250 √3 V. 200 V. 250 / √3 V. 250 V. 250 √3 V. 200 V. 250 / √3 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The laplace transform of the fuction f(t) = t is s2. 1/s2. 1/s. s. s2. 1/s2. 1/s. s. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? None of these. Both option A and B. Apperant power × cosφ. VIcosφ. None of these. Both option A and B. Apperant power × cosφ. VIcosφ. ANSWER DOWNLOAD EXAMIANS APP