a) Single phase system b) 2 phase 3 wire system c) 3 phase 3 wire system d) 3 phase 4 wire system Ans: (c)
a) 400 b) 400√2 c) 825 d) 1155 Ans: (d)
a) Insulating material with different dielectric b) Intersheath c) Both (a) and (b) above d) None of these Ans: (c)
a) 0Ω b) 75Ω c) 150Ω d) 300Ω Ans: (b)
a) Radial main b) Ring main c) Parabolic main d) Balancing main Ans: (b)
a) It is lighter b) It is more economical c) It has higher current carrying capacity d) It can stand higher surge voltages Ans: (b)
a) √2 ac component b) 1.8 ×√2 ac component c) √3 ×√2 ac component d) 2 ×√2 ac component Ans: (b)
a) Reduce radio interference b) Reduce reactance c) Both (a) and (b) d) None of these Ans: (b)
a) Decreases b) Increases c) Remains same d) Uncertain Ans: (b)
a) Shunting effects are neglected b) Shunting effects are included c) May include or neglect d) None of these Ans: (a)
 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 |