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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 19
6.
The transfer function of a linear-time invariant system is given as What is the steady-state value of the unit-impulse response?
Zero
One
Two
Infinite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
When transistor is used as a switch __________ is defined as the interval which elapses between the transition of input waveform and the time when to transition to 90% of Ic(sat).
storage time
fall time
turn-on time
turn-off time
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Which of the following is a circularly polarized antenna?
Horn
Dipole
Helical
Pyramidal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Transfer function of a certain system is

Which one of the following will be the A, B matrix pair of state variable representation of this system?
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
As per Hall effect, if any specimen carrying a current I is applied in a transverse magnetic field B, then an electric field E is induced in the specimen in the direction.
parallel to I
perpendicular to B and parallel to I
parallel to I and B
perpendicular to both I and B
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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