IndiaBIX

Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 17
26.
The figure below shows a long infinite length conduction placed as shown.

Current flowing in a conductor is 2 amps. Then magnetic field at point A is:
No magnetic field
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Consider the following statements regarding the class-B power amplifiers (Complementary symmetry type):
  1. The efficiency of the amplifier is higher than that of class-A amplifier
  2. The power output is low
  3. Crossover distortion is present
  4. The standby power dissipation is absent.
Which of the above statements are correct?
1, 2 and 3
1, 2 and 4
1, 3 and 4
2, 3 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Consider the following statements:
For a 10 m long common power line connecting a switch to a light bulb
  1. It is a distributed circuit.
  2. Time delay for propagation through it is negligible.
  3. It is the form of a shielded coaxial cable of circular cross-section.
  4. As the intensity of the lamp varies, input impedance of this line also changes.
Which of the above statements is/are correct?
1 only
1 and 2
2 and 3
2 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The equivalent of the block diagram in figure is given in
Figure (a)
Figure (b)
Figure (c)
Figure (d)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
For a Hertz dipole antenna, the Half Power Beam Width (HPBW) in the E-plane is
360°
180°
90°
45°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers