Electric Circuits Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω. 0.6. 6. 5.2. 3.4. 0.6. 6. 5.2. 3.4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Energy efficiency during electroplating is usually in the range 85 to 90%. 90 to 99%. 50 to 80%. 80 to 85%. 85 to 90%. 90 to 99%. 50 to 80%. 80 to 85%. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Apparent power × sinθ. Real power × cosθ. Real power × sinθ. Apparent power × cosθ. Apparent power × sinθ. Real power × cosθ. Real power × sinθ. Apparent power × cosθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. infinite, zero infinite, infinite zero, infinite zero, zero infinite, zero infinite, infinite zero, infinite zero, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Zinc cadmium and lead coating is generally provided for all of above. decoration. electrical contacts. corrosion. all of above. decoration. electrical contacts. corrosion. 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