Electric Circuits If a function is shifted by 'T', then it is correctly represented as f (t-T) u (t). f (t) u (t). f (t) u (t-T). f (t-T) u (t-T). f (t-T) u (t). f (t) u (t). f (t) u (t-T). f (t-T) u (t-T). 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 + 8 %. + 5 %. + 7 %. + 6 %. + 8 %. + 5 %. + 7 %. + 6 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star? 50 % of the original load. 33.33 % of the original load. 25 % of the original load. 66.66 % of the original load. 50 % of the original load. 33.33 % of the original load. 25 % of the original load. 66.66 % of the original load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two identical resistors are first connected in parallel then in series. The ratio of resultant resistance of the first combination to the second will be 4. 2. 0.25. 0.5. 4. 2. 0.25. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? VIcosφ. Apperant power × cosφ. Both option A and B. None of these. VIcosφ. Apperant power × cosφ. Both option A and B. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is represented by the hypotenuse of impedance triangle? Apparent power. Reactance drop. Impedance drop. Resistance drop. Apparent power. Reactance drop. Impedance drop. Resistance drop. ANSWER DOWNLOAD EXAMIANS APP
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