Electric Circuits How many 200W / 220V bulbs connected in series across 220V supply will consume 100W? 4. 2. Not possible. 1. 4. 2. Not possible. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 6 Ω. 3 / 2 Ω. 4 / 3 Ω. 3 / 4 Ω. 6 Ω. 3 / 2 Ω. 4 / 3 Ω. 3 / 4 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In above question, if circuit efficiency is 90 %. What will be output power ? 37.3 kW. 30 kW. 35.6 kW. 40 kW. 37.3 kW. 30 kW. 35.6 kW. 40 kW. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sinusoidal voltage wave V = 200sinω0t 100 V. 200 V. 200√2 V. 100√2 V. 100 V. 200 V. 200√2 V. 100√2 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant voltage source has high internal resistance. low internal resistance. minimum current capacity. minimum efficiency. high internal resistance. low internal resistance. minimum current capacity. minimum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 200 W, 200 V lamp is 800 Ω. 200 Ω. 400 Ω. 100 Ω. 800 Ω. 200 Ω. 400 Ω. 100 Ω. ANSWER DOWNLOAD EXAMIANS APP
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