Electric Circuits In which of the circuits power factor can be zero? capacitive. inductive. resistive. both ‘a’ and ‘b’ capacitive. inductive. resistive. both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Regenerative. None of these. Dynamic. Plugging. Regenerative. None of these. Dynamic. Plugging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following elements is/are called dynamic element/s? R. L. Both L and C. C. R. L. Both L and C. C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Dextrol. Any of above. Phenol. Glycerine. Dextrol. Any of above. Phenol. Glycerine. 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 VR. VR and I. Z and I. VL and Z. VL and VR. VR and I. Z and I. VL and Z. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 27∠30o Ω 3∠30o Ω. None of these 30∠30o Ω. 27∠30o Ω 3∠30o Ω. None of these 30∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP