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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 18
6.
What is an advantage of an electronic voltmeter over a non-electronic voltmeter?
Low power consumption
Low input impedance
The ability to measure wide ranges of voltages and resistance
Large portability
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Which of the following statements is/are true for the diamond structure?
  1. Coordination number is four.
  2. Packing fraction is 0.34
  3. Copper crystallizes into diamond structure
  4. Lattice is FCC.
1 only
1, 2 and 4
2 and 3 only
2, 3 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.

Assertion (A): There are no convergence issues with the discrete-time Fourier series in general.

Reason (R): A discrete-time signal is always obtained by sampling a continuous-time signal.

Both A and R are individually true and R is the correct explanation of A
Both A and R are individually true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Which is the dominant mode in rectangular waveguides?
TE10
TE11
TE01
TM11
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Which of the following are the memory performance parameters?
  1. Access time and latency
  2. Block size and Block access time
  3. Cycle time and Bandwidth
Select the correct answer from the codes given below:
1 only
1 and 2 only
2 and 3 only
1, 2 and 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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