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Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 15
31.
The HV and other voltage supplies for a TV receiver are obtained from IHVT. The full name for this device is
Internal high voltage transformer
Integrated high voltage transformer
Instant high voltage transformer
Interleaved high voltage transformer
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The main systems used for generation of SSB are
filter method
phase cancellation method
third method
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
An antenna operates effectively when its dimensions are
of the order of magnitude of wavelength to be transmitted
very small than the magnitude of wavelength to be transmitted
very large than the magnitude of wavelength to be transmitted
either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The mobile unit of a mobile telephone is generally in
vehicles
pocket
office
vehicle or pocket
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.

Assertion (A): Water waves are longitudinal but EM waves are transverse

Reason (R): In an EM wave electric field, magnetic field and propagation are mutually perpendicular.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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