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 10. 0.85. 0.4. 1. 10. 0.85. 0.4. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following defined the average value ? Heating effect Current Charge transfer Voltage Heating effect Current Charge transfer Voltage ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit which of the following represents the Q factor ? All of these VR/V XC/R XL/R All of these VR/V XC/R XL/R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 5 times greater than before. 5 times smaller than before. 10 times greater than before. 25 times larger than before. 5 times greater than before. 5 times smaller than before. 10 times greater than before. 25 times larger than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Disadvantages of constant k type filter attenuation does not increase rapidly beyond cut off frequency. none of these. both A and B. characteristic impedance unchanged in pass band. attenuation does not increase rapidly beyond cut off frequency. none of these. both A and B. characteristic impedance unchanged in pass band. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by changing the distance between the plates only. changing the dielectric medium only. All of these changing the overlapping area of the plates only. changing the distance between the plates only. changing the dielectric medium only. All of these changing the overlapping area of the plates only. ANSWER DOWNLOAD EXAMIANS APP