Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.577. 0.5. 0.866. 1. 0.577. 0.5. 0.866. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The terminals across the source are ___________ if a voltage source is to be neglected. short circuited. open circuited. replaced by a shunt resistance. replaced by a series resistance. short circuited. open circuited. replaced by a shunt resistance. replaced by a series resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance? 200 times. Nil. 60 times. 20 times. 200 times. Nil. 60 times. 20 times. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Metal alloys constantan and manganin. Brass. Platinum. Tungsten. Metal alloys constantan and manganin. Brass. Platinum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The linear circuit element is resistor. capacitor. all of above. inductor. resistor. capacitor. all of above. inductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which part of magnetic path requires largest mmf? Inductance. Air gap. Coil. Core. Inductance. Air gap. Coil. Core. ANSWER DOWNLOAD EXAMIANS APP