Question is ⇒ The contrast control in colour TV receiver is done by, Options are ⇒ (A) chroma amplifier, (B) SAW filter, (C) video detector, (D) luminance amplifier, (E) , Leave your comments or Download question paper.

Question is ⇒ The contrast control in colour TV receiver is done by, Options are ⇒ (A) chroma amplifier, (B) SAW filter, (C) video detector, (D) luminance amplifier, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The contrast control in colour TV receiver is done by
A.	chroma amplifier [Wrong Answer]
B.	SAW filter [Wrong Answer]
C.	video detector [Wrong Answer]
D.	luminance amplifier [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒

Match the following:

	List I		List II
A.	Silicon	1.	is trivalent
B.	Arsenic	2.	rarely used as semiconductor
C.	Indium	3.	is pentavalent
D.	Germanium	4.	intrinsic semiconductor

A-1, B-2, C-3, D-4
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Ridge guide is essentially a form of capacitively loaded guide
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⇒ A function Z(s) has zero at infinity if
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the denominator of Z(s) is one degree higher than numerator
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It snatches the channel in his speech and may allocate it to another speaker needing it.
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⇒

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Reason (R): A self bias circuit limits the increase in collector or emitter current due to change in junction temperature.

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