Electric Circuits A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t} 11 W. 21 W. 1 W. 24.5 W. 11 W. 21 W. 1 W. 24.5 W. 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? 66.66 % of the original load. 50 % of the original load. 25 % of the original load. 33.33 % of the original load. 66.66 % of the original load. 50 % of the original load. 25 % of the original load. 33.33 % of the original load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be 32.1o. 20.2o. 40.4o. 28.8o. 32.1o. 20.2o. 40.4o. 28.8o. ANSWER DOWNLOAD EXAMIANS APP
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. 8 36 50 2 8 36 50 2 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch? Single way switch doesn exist. Yes. No. Single way switch doesn operate at such current ratings. Single way switch doesn exist. Yes. No. Single way switch doesn operate at such current ratings. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? None of these. Only (1). Only (2). Both (1) and (2). None of these. Only (1). Only (2). Both (1) and (2). ANSWER DOWNLOAD EXAMIANS APP