1. The minimum length of antenna for efficient transmission of signals of wavelength 𝜆 required is
(a) 𝜆/2
(b) 𝜆/3
(c) 𝜆/4
(d) 𝜆/5
(b) 𝜆/3
(c) 𝜆/4
(d) 𝜆/5
Answer: (c)
2. In order to describe an algorithm for searching an AND - OR graph, we need to exploit a value called:
(a) Modality
(b) Mobility
(c) Futility
(d) Quality
Answer: (c)
3. Most commonly used language for Artificial Intelligence programming is:
(a) C
(b) CC++
(c) LISP
(d) PASCAL
Answer: (c)
4. The process of writing programs that can themselves produce formal descriptions from informal ones is:
(a) Optimization
(b) Feasibility
(c) Coding
(d) Operationalization
Answer: (d)
5. How well a model trained on the training set predicts the right output for new instances is called:
(a) Specialization
(b) Generalization
(c) Modularization
(d) Optimization
Answer: (b)
6. In polynomial interpolation, given N points, we find the (N−1)th degree polynomial that is used to predict the output for any X which is outside of the range of
in the training set is called:
(a) Extrapolation
(b) Interpolation
(c) Polynomial evaluation
(d) Friction
Answer: (a)
7. For which of the following regions, a transistor as a switch will be stable?
(a) Saturation and active
(b) Active and cutoff
(c) Cutoff and saturation
(d) Active and saturation
(b) Active and cutoff
(c) Cutoff and saturation
(d) Active and saturation
Answer: (c)
8. Which of the following is a current controlled device?
(a) JEET
(b) MOSFET
(c) BJT
(d) Zener diode
(b) MOSFET
(c) BJT
(d) Zener diode
Answer: (c)
9. What is the value of an inductance when an inductor filter is connected to a full wave rectifier operating at 60 Hz for providing a dc output voltage with 4 % ripple at 100 Ω load?
(a) 1.5625 𝐻
(b) 2.3525 𝐻
(c) 1.3525 𝐻
(d) 2.5625 𝐻
(b) 2.3525 𝐻
(c) 1.3525 𝐻
(d) 2.5625 𝐻
Answer: (a)
10. An amplifier of gain 1000 has a gain-change of 20 % due to temperature variation. If a negative feed-back of 0.1 is introduced into the above amplifier, the change in gain of the feedback amplifier due to the temperature variation would be
(a) 0.01 %
(b) 0.2 %
(c) 5 %
(d) 7.5 %
(b) 0.2 %
(c) 5 %
(d) 7.5 %
Answer: (b)
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