Electric Circuits A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption? P. 3P. √3P. P/3. P. 3P. √3P. P/3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is 5.77. 4.71. 1.92. 2.36. 5.77. 4.71. 1.92. 2.36. 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? YBR. RYB. RBY. BYR. YBR. RYB. RBY. BYR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VL and Z. VR and I. Z and I. VL and VR. VL and Z. VR and I. Z and I. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Air gap flux density is of the order of 0.35 - 0.5 T. 0.85 - 0.9 T. 0.75 - 0.8 T. 0.65 - 0.9 T. 0.35 - 0.5 T. 0.85 - 0.9 T. 0.75 - 0.8 T. 0.65 - 0.9 T. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm? 20 microfarad. 1 microfarad. 8 microfarad. 3.2 microfarad. 20 microfarad. 1 microfarad. 8 microfarad. 3.2 microfarad. ANSWER DOWNLOAD EXAMIANS APP