a) Reduction b) Oxidation c) Either (a) or (b) above d) None of these Ans: (c)
a) Dependent upon the geographical factors b) Independent of the geographical factors c) Requires large quantity of water d) Both (b) and (c) above Ans: (d)
a) -150°C b) +150°C c) 0°C d) 350°C Ans: (d)
a) No charging currents b) No skin effect c) Improved line regulation d) All of these Ans: (d)
a) Self excited b) Induction motor drive c) Separately excited d) None of these Ans: (c)
a) Saturable reactor b) Integrated circuit c) Microprocessors d) Any of these Ans: (d)
a) To improve power factor b) To improve efficiency c) To reduce the fault level d) To improve voltage regulation Ans: (c)
a) Load flow b) Power factor c) Voltage d) All of these Ans: (a)
a) Low impedance b) Low resistance c) High impedance d) High resistance Ans: (b)
a) 49.5 to 50.5 Hz b) 49 to 51 Hz c) 48 to 52 Hz d) 47.5 to 52.5 Hz Ans: (d)
 Multiple Choice Question (MCQ) of Electronics page-17:241. Which of the following statement is true? a) The saturation voltage VCF of silicon transistor is more than germanium transistor. b) The saturation voltage VCE for germanium transistor is more than silicon transistor. c) The saturation voltage VCE for silicon transistor is same as that for germanium. d) The saturation voltage VCE for silicon transistor is lower than germanium transistor. |
Multiple Choice Question (MCQ) of Electronics page-16:226. Which of the following statement is correct? a) Inner electrons are always present in the semiconductor. b) Bound electrons are always present in the semiconductor. c) Free electrons are always present in the semiconductor. d) Inner and bound electrons are always present in the semiconductor. |
Multiple Choice Question (MCQ) of Electronics page-15:211. The materials whose electrical conductivity is usually less than 1 × 106 mho/m are a) Semiconductors b) Conductors c) Insulators d) Alloys |
Multiple Choice Question (MCQ) of Electronics page-14:196. In which of the following device the base resistors are not added in the package but added externally? a) UJT b) CUJT c) PUT d) None of the above |
Multiple Choice Question (MCQ) of Electronics page-13:181. The conduction in JEFT is always by the a) Majority carriers b) Minority carriers c) Holes d) Electrons e) Holes and electrons simultaneously |