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. 2 8 36 50 2 8 36 50 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance? None of these. 0.029. 0.058 H. 0.049 H. None of these. 0.029. 0.058 H. 0.049 H. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 200 V. 250 V. 250 / √3 V. 250 √3 V. 200 V. 250 V. 250 / √3 V. 250 √3 V. 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 %. + 6 %. + 5 %. + 7 %. + 8 %. + 6 %. + 5 %. + 7 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is form factor? Instantaneous value / Average value. Average value / R.M.S. value. Average value / Peak value. R.M.S. value / Average value. Instantaneous value / Average value. Average value / R.M.S. value. Average value / Peak value. R.M.S. value / Average value. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current? 0A 2A 5A 10A 0A 2A 5A 10A ANSWER DOWNLOAD EXAMIANS APP
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