Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 63.7 Ω. 0.015 Ω. 135.86 Ω. 1.765 Ω. 63.7 Ω. 0.015 Ω. 135.86 Ω. 1.765 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 1:1. 1:2. 4:1. 1:8. 1:1. 1:2. 4:1. 1:8. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following lamp has least resistance ? 100 W, 220 V. 25 W, 220 V. 60 W, 220 V. 200 W, 220 V. 100 W, 220 V. 25 W, 220 V. 60 W, 220 V. 200 W, 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Metal alloys constantan and manganin. Platinum. Brass. Tungsten. Metal alloys constantan and manganin. Platinum. Brass. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance? Orange, orange, black and gold stripes. Red, red, green and silver stripes. Brown, black, orange and no tolerance band. Yellow, violet, yellow and silver stripes. Orange, orange, black and gold stripes. Red, red, green and silver stripes. Brown, black, orange and no tolerance band. Yellow, violet, yellow and silver stripes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For cadium plating electrolyte used is cadmium sulphate and sulphuric acid. any of above. cadmium hexa metaphosphate. sodium cyanide, cadmium and caustic soda. cadmium sulphate and sulphuric acid. any of above. cadmium hexa metaphosphate. sodium cyanide, cadmium and caustic soda. ANSWER DOWNLOAD EXAMIANS APP
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