Electric Circuits Resistance of which material does not change with change in temperature? Brass. Metal alloys constantan and manganin. Platinum. Tungsten. Brass. Metal alloys constantan and manganin. Platinum. Tungsten. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit which of the following represents the Q factor ? XC/R All of these VR/V XL/R XC/R All of these VR/V XL/R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 0.85. 0.4. 1. 10. 0.85. 0.4. 1. 10. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 80 times per second. 60 times per second. 120 times per second. 70 times per second. 80 times per second. 60 times per second. 120 times per second. 70 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The linear circuit element is capacitor. all of above. inductor. resistor. capacitor. all of above. inductor. resistor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will remains unchanged. increase. becomes zero. decrease. remains unchanged. increase. becomes zero. decrease. ANSWER DOWNLOAD EXAMIANS APP