a) Majority carriers b) Minority carriers c) Holes d) Electrons e) Holes and electrons simultaneously Ans: (a)
a) Zener diode b) Gas filled tubes c) JFET d) P-n-p transistor Ans: (c)
a) 4 to 8 V b) -4 to -8 V c) 0.4 to -0.8 V d) -0.4 to -8 V e) 0.4 to 8 V Ans: (d)
a) Multiplication of two or more quantities b) Superimposition of two or more electrical signals of different frequencies for their parallel transmission through one channel c) Scanning of analog or digital inputs on “Time-Sharing” basis d) (b) and (c) both Ans: (d)
a) True b) False Ans: (b)
a) Fast switching b) Low drive current c) No second breakdown d) Ease of paralleling e) Excellent temperature stability Ans: (c)
a) 30° to 90° b) 0° to 90° c) 40° to 140° d) 0° to 180° e) None of the above Ans: (c)
a) 30 watts b) 60 watts c) 175 milliwatts d) 300 milliwatts Ans: (a)
a) True b) False Ans: (b)
a) Junction transistors b) Coated cathodes valves c) (a) and (b) both d) Integrated circuits Ans: (c)
a) 30 cm b) 40 cm c) 50 cm d) 35 cm Ans: (a)
a) Rectifier b) Schottky c) PIN d) Zener e) Tunnel Ans: (b)
a) P-n junction b) Metal-to-semiconductor junction c) P and n regions separated by an intrinsic region d) P-n junction with every heavy dropping Ans: (b)
a) True b) False Ans: (a)
a) True b) False Ans: (a)
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 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 |