Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Any of above. Dextrol. Glycerine. Phenol. Any of above. Dextrol. Glycerine. Phenol. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.866. 0.5. 0.577. 1. 0.866. 0.5. 0.577. 1. ANSWER DOWNLOAD EXAMIANS APP
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 0.5 2.56 3.149 1 0.5 2.56 3.149 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in a chemical cell is a movement of negative ions only. positive and negative ions. positive ions only. positive hole charges. negative ions only. positive and negative ions. positive ions only. positive hole charges. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor the electric charge is stored in metal plates. both of (A) and (B). dielectric. none of above. metal plates. both of (A) and (B). dielectric. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Platinum. Metal alloys constantan and manganin. Brass. Tungsten. Platinum. Metal alloys constantan and manganin. Brass. ANSWER DOWNLOAD EXAMIANS APP