Electric Circuits When AC flows through a pure capacitance then the current lags the emf by 90o. is in phase with emf. leads the emf by 90o. leads the emf by - 90o. lags the emf by 90o. is in phase with emf. leads the emf by 90o. leads the emf by - 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor carries a charge of 0.1 C at 5 V. Its capacitance is 0.2 F 0.02 F 0.05 F 0.5 F 0.2 F 0.02 F 0.05 F 0.5 F 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. 50 % of the original load. 66.66 % of the original load. 33.33 % of the original load. 25 % of the original load. 50 % of the original load. 66.66 % of the original load. 33.33 % of the original load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two electric bulbs have transparent filament of same thickness. It one of them gives 60 W and other gives 100 W, then- 60 W lamp filament has shorter length. 60 W and 100 W lamp filament have equal length. 100 W lamp filament has longer length. 60 W lamp filament has longer length. 60 W lamp filament has shorter length. 60 W and 100 W lamp filament have equal length. 100 W lamp filament has longer length. 60 W lamp filament has longer length. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following quantities consists of SI unit as WATT ? Current Force Power Charge Current Force Power Charge ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Zinc cadmium and lead coating is generally provided for all of above. decoration. electrical contacts. corrosion. all of above. decoration. electrical contacts. corrosion. ANSWER DOWNLOAD EXAMIANS APP
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