Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is RBY. RYB. YRB. BRY. RBY. RYB. YRB. BRY. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is the correct relation? AC-BD = 1. AD-BC = 1. all of these. AB-CD = 1 . AC-BD = 1. AD-BC = 1. all of these. AB-CD = 1 . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is increase by two times. halved. remain same. doubled. increase by two times. halved. remain same. doubled. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is varying, the shape of the current locus is Circle Straight line Semicircle Triangle Circle Straight line Semicircle Triangle ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Millman theorem yields equivalent current source. both ‘c’ and ‘d’ . voltage source. impedance. current source. both ‘c’ and ‘d’ . voltage source. impedance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current is said to be alternating when it changes in direction. none of these. both ‘a’ and ‘b’. magnitude. direction. none of these. both ‘a’ and ‘b’. magnitude. ANSWER DOWNLOAD EXAMIANS APP