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 4:1. 1:2. 1:8. 1:1. 4:1. 1:2. 1:8. 1:1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Reactive power drawn by a pure resistor is None of these minimum maximum 0 None of these minimum maximum 0 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is charged by a constant 10 mA current sources which is turned on for 1 second. Assuming the capacitor is initially charge free; determine the charge delivered to and the power supplied by the source if the capacitor has a value of 1 mF. 0.01C, 10MW. 0.1C, 100MW. 0.01C and 5W. 0.1C, 10MW. 0.01C, 10MW. 0.1C, 100MW. 0.01C and 5W. 0.1C, 10MW. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is 6:4:2. 2:3:6. 6:3:2. 2:4:6. 6:4:2. 2:3:6. 6:3:2. 2:4:6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be + 7 %. + 8 %. + 5 %. + 6 %. + 7 %. + 8 %. + 5 %. + 6 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For closer tolerance which of the following capacitors is usually preferred? Ceramic disc capacitor. Paper capacitor. None of them. Mica capacitor. Ceramic disc capacitor. Paper capacitor. None of them. Mica capacitor. ANSWER DOWNLOAD EXAMIANS APP
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