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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 16
11.
Which of the following is not an electromagnetic device?
Hall transducer
Transformer
Speedometer
Eddy current damping device
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
In which direction is the plane wave E = 50 sin (108t + 2z) V/m (where is the unit vector in y-direction), travelling?
along y direction
along -y direction
along z direction
along -z direction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Which one of the following compounds is widely used for making ferrites?
FeO
CuO
MgO
Fe2O3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.

Assertion (A): Cut-in voltage for Germanium diode is greater than that for silicon diode.

Reason (R): Germanium diode has a higher reverse saturation current than silicon diode.

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.
15.
Laplace transform of unit triplet function is __________ .
1
s
s2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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