Q.43 Which of the following is a true comparison of P and N type semiconductors?Ans A. Conductivity of P-type semiconductor is greater than that of the N-type semiconductor because of electron as majority carrier.B. Conductivity of N-type semiconductor ...

Q.49Ans A.B.C.D.Correct Ans Provided: D

Q.34 Which of the following statements related to a common collector bipolar transistor is true?Ans A. It has both, voltage gain and current gain.B. It has neither voltage gain nor current gain.C. It has current gain but no ...

Q.35Ans A.B.C.D.Correct Ans Provided: C

Q.37Ans A.B.C.D.Correct Ans Provided: A

Q.31Ans A.B.C.D.Correct Ans Provided: D

Q.38 Calculate the slip of 4-pole, 3-phase, 60 Hz induction motor if the motor rotates at a speed of 1760 rpm.Ans A. 0.043B. 0.038C. 0.022D. 0.033Correct Ans Provided: C

Q.33 In force current analogy, electrical capacitance is analogous to:Ans A. forceB. massC. complianceD. voltageCorrect Ans Provided: B

Q.32Ans A.B.C.D.Correct Ans Provided: B

Q.36 Calculate the power factor of a single-phase thyristor-controlled bridge rectifier if the firing angle is 30°.Ans A. 0.9B. 0.686C. 0.78D. 0.866Correct Ans Provided: C