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. 1. 0.577. 0.866. 0.5. 1. 0.577. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star? 25 % of the original load. 33.33 % of the original load. 66.66 % of the original load. 50 % of the original load. 25 % of the original load. 33.33 % of the original load. 66.66 % of the original load. 50 % of the original load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be 0.01 μF. 0.1 μF. 1 μF. 0.001 μF. 0.01 μF. 0.1 μF. 1 μF. 0.001 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits? Oil impregnated paper. Glass. Vacuum, air. Titanium oxide. Oil impregnated paper. Glass. Vacuum, air. Titanium oxide. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. εr/F. 0. F εr. F. εr/F. 0. F εr. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms with fewer than 4 valence electrons are insulator. none of these. conductor. semi-conductor. insulator. none of these. conductor. semi-conductor. ANSWER DOWNLOAD EXAMIANS APP
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