Electric Circuits For closer tolerance which of the following capacitors is usually preferred? Paper capacitor. Ceramic disc capacitor. None of them. Mica capacitor. Paper capacitor. Ceramic disc capacitor. None of them. Mica capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? VIcosφ. Both option A and B. None of these. Apperant power × cosφ. VIcosφ. Both option A and B. None of these. Apperant power × cosφ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 40 Ω and 200 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in the resistor R shown in figure will be 0.2 A. 0.6 A. 0.8 A. 0.4 A. 0.2 A. 0.6 A. 0.8 A. 0.4 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When water is added to sulphuric acid acid particles get separated. lot of heat is generated. water start boiling. colour of acid changes. acid particles get separated. lot of heat is generated. water start boiling. colour of acid changes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V. 8 36 2 50 8 36 2 50 ANSWER DOWNLOAD EXAMIANS APP