Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 1 2.56 0.5 3.149 1 2.56 0.5 3.149 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3Ω resistor having 2A current will dissipate the power of 8 W. 4 W. 12 W. 2 W. 8 W. 4 W. 12 W. 2 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following lamp has least resistance ? 100 W, 220 V. 60 W, 220 V. 25 W, 220 V. 200 W, 220 V. 100 W, 220 V. 60 W, 220 V. 25 W, 220 V. 200 W, 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VR and I. VL and Z. Z and I. VL and VR. VR and I. VL and Z. Z and I. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacity of a lead acid cell does not depends on its rate of charge. rate of discharge. temperature. quantity of active material. rate of charge. rate of discharge. temperature. quantity of active material. 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 – F. 0. F εr. εr/F. F. 0. F εr. εr/F. ANSWER DOWNLOAD EXAMIANS APP