Electric Circuits Which of the following has positive temperature coefficient ? Rubber. Germanium. Gold. Paper. Rubber. Germanium. Gold. Paper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (3 + j4) pu (2 + j4) pu (4 + j2 ) pu (4 + j3) pu (3 + j4) pu (2 + j4) pu (4 + j2 ) pu (4 + j3) pu ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is represented by the hypotenuse of impedance triangle? Impedance drop. Reactance drop. Resistance drop. Apparent power. Impedance drop. Reactance drop. Resistance drop. Apparent power. 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? Z and I. VR and I. VL and VR. VL and Z. Z and I. VR and I. VL and VR. VL and Z. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The phase angle difference between current and voltage is 90o, the power will be minimum. maximum. zero. VI. minimum. maximum. zero. VI. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms have no electric charge because they have neutrons in their nuclei. have an equal number of neutrons and protons. have an equal number of charged and non charged particles. have an equal number of electrons and protons. have neutrons in their nuclei. have an equal number of neutrons and protons. have an equal number of charged and non charged particles. have an equal number of electrons and protons. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS