a) 40 to 60 Ω b) 100 to 120 Ω c) 400 to 600 Ω d) 1000 to 1500 Ω Ans: (a)
a) Lower b) Higher c) The same d) May be lower or higher Ans: (a)
a) Higher than disruptive critical voltage b) Higher than Curie voltage c) Equal to disruptive voltage d) None of these Ans: (a)
a) ACSR b) Unstranded wire c) Stranded wire d) Transposed wire Ans: (b)
a) System faults b) Radio interference c) Insulation failure d) None of these Ans: (b)
a) Constant for all the locations of fault b) Lower than the value if fault occurs away from the relay c) Higher than the value if fault occurs away from the relay d) May be lower or higher than the value if fault occurs away from the relay Ans: (b)
a) (Base MVA)/(P.U.Xeq) b) Base MVA × P.U. Xeq c) (Base MVA)/((P.U.Xeq)2 ) d) None of these Ans: (a)
a) Zero b) Constant c) Increases with load d) Decreases with load Ans: (b)
a) Increases b) Decreases c) Remain unchanged d) May increase or decrease Ans: (b)
a) Reduce the sag b) Hold the telephone lines c) Strengthen the pole d) None of these Ans: (c)
 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 |