a) Syschros b) Microsyn c) Synchro resolver d) Synchro transformer Ans: (c)
a) Minimize velocity-lag error b) Maximize velocity-lag error c) Minimize time constant d) Maximize speed of response Ans: (a)
a) Error detector b) Transmission of angular c) Transmission of arithmetic data d) For synchronization Ans: (d)
a) Decreases inertia of the system b) Increases inertia of the system c) Increases damping of the system d) Decreases torque of the servomotor Ans: (a)
a) Distance b) Velocity c) Acceleration d) Power Ans: (b)
a) Error b) Error and its first derivative c) First derivative of error d) None of these Ans: (a)
a) Ramp b) Step displacement c) Constant acceleration d) None of these Ans: (c)
a) A.c. series motor b) 1 ɸ induction motor c) 2 ɸ induction motor d) 3 ɸ induction motor Ans: (c)
a) First integrator and then differentiator is inserted b) First differentiator and then integrator is inserted c) Only differentiator is inserted in the forward path d) Only integrator is inserted in the forward path Ans: (c)
a) Type 0 system b) Type 1 system c) Type 2 system d) Type 3 system Ans: (b)
 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 |