a) Backlash b) Dead space c) Coulomb friction d) saturation Ans: (a)
a) a.c. control system b) analog control system c) Sampled date control system d) None of these Ans: (c)
a) Indicating difference of rotation angle of two synchro generators only b) Indicating sum of rotation angle of two synchro generators only c) Both (a) and (b) d) None of these Ans: (a)
a) Potentiometer b) Magnetic amplifier c) Resolver d) Rotary differential transformer Ans: (c)
a) Non-linear systems are time-varying b) Time domain analysis is easier than frequency domain analysis c) Initial conditions are not zero in non-linear systems d) Superposition law is not applicable to non-linear system Ans: (d)
a) 0 b) 2 c) 1 d) 3 Ans: (b)
a) Electromechanical device b) Electrical device c) Electromagnetic device d) Electrostatic device Ans: (a)
a) 1 b) T c) Zero d) Infinite Ans: (c)
a) No oscillation b) Accuracy c) Quick response d) Correct power level Ans: (a)
a) By negative feed back b) By positive feed back c) With higher inductance of a.c. coil d) None of these 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 |