Electric Circuits The energy stored by a capacitor is given by Q2 / 2C. 1/2 QV. 1/2 CV2. all of them. Q2 / 2C. 1/2 QV. 1/2 CV2. all of them. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 17.3A . 30A. 14.14A. 22.4A. 17.3A . 30A. 14.14A. 22.4A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm? 8 microfarad. 3.2 microfarad. 1 microfarad. 20 microfarad. 8 microfarad. 3.2 microfarad. 1 microfarad. 20 microfarad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Purpose of using capacitor is / are effect DC filter in electronic circuit. to do phase split in AC 1 phase motor. increase p.f of inductive load circuit. all of these. effect DC filter in electronic circuit. to do phase split in AC 1 phase motor. increase p.f of inductive load circuit. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 400 Ω. 200 Ω. 1600 Ω. 800 Ω. 400 Ω. 200 Ω. 1600 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Phenol. Dextrol. Glycerine. Any of above. Phenol. Dextrol. Glycerine. Any of above. ANSWER DOWNLOAD EXAMIANS APP