Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 75. 15. 60. 105. 75. 15. 60. 105. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the value of charge of an electron? 1.6022 × 10-19 Coulomb 1.6022 × 10-8 Coulomb 1.6022 × 10-27 Coulomb 1.6022 × 10-7 Coulomb 1.6022 × 10-19 Coulomb 1.6022 × 10-8 Coulomb 1.6022 × 10-27 Coulomb 1.6022 × 10-7 Coulomb ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when None of these R < r. R > r. R = r. None of these R < r. R > r. R = r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is 250 pF. 1000 pF. 125 pF. 500 pF. 250 pF. 1000 pF. 125 pF. 500 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? RYB. RBY. YBR. BYR. RYB. RBY. YBR. BYR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is 2R/3. R. 3R/2. R/2. 2R/3. R. 3R/2. R/2. ANSWER DOWNLOAD EXAMIANS APP