a) Equal to zero b) Less than now c) Equal to one d) More than one Ans: (d)
a) High specific resistance and high melting point b) High specific resistance and low melting point c) Low specific resistance and low melting point d) Low specific resistance and high melting point Ans: (d)
a) Increase b) Reduce c) Remain same d) May increase or decrease Ans: (b)
a) Maximum fusing current and rated voltage b) Maximum fusing current and rated current c) Minimum fusing current and rated current d) Minimum fusing current and rated voltage Ans: (c)
a) 25 A b) 50 A c) 75 A d) 100 A Ans: (d)
a) Maximum value actually reached b) R.m.s. value actually reached c) Average value actually reached d) None of these Ans: (a)
a) Aluminium b) Copper c) Iron d) Tin Ans: (b)
a) High rating of current b) High rupturing capacity c) High resistance capacity d) None of these Ans: (b)
a) 400 V b) 11 kV c) 20 kV d) 33 kV Ans: (d)
a) 33 kV b) 66 kV c) 132 kV d) 200 kV Ans: (c)
a) Steady load b) Fluctuating load c) A & b d) None of these Ans: (c)
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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 |