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 YRB. BRY. RBY. RYB. YRB. BRY. RBY. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? capacitive. resistive. both ‘a’ and ‘b’ inductive. capacitive. resistive. both ‘a’ and ‘b’ inductive. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits From the circuit diagram shown in question 1 find the thevnin voltage. 1.5 V. 15 V. 3 V. 5 V. 1.5 V. 15 V. 3 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering flux and current flow. reluctance and resistance. mmf and emf. permeance and conductance. flux and current flow. reluctance and resistance. mmf and emf. permeance and conductance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will decrease. increase. remains unchanged. becomes zero. decrease. increase. remains unchanged. becomes zero. 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 ? Only (2). Only (1). Both (1) and (2). None of these. Only (2). Only (1). Both (1) and (2). None of these. ANSWER DOWNLOAD EXAMIANS APP