Last Updated On [03-11-2023]
In order to quadruple the resistance of a uniform wire, a part of its length was uniformly stretched till the final length of the entire wire was 1.5 times the original length, the part of the wire was fraction equal to
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Question ID - 150770 :- In order to quadruple the resistance of a uniform wire, a part of its length was uniformly stretched till the final length of the entire wire was 1.5 times the original length, the part of the wire was fraction equal to
a)
b)
c)
d)
In order to quadruple the resistance of a uniform wire, a part of its length was uniformly stretched till the final length of the entire wire was 1.5 times the original length, the part of the wire was fraction equal to
|
a) |
|
b) |
|
c) |
|
d) |
|
(a)
Let 
be the original length of wire and 
be its length stretched uniformly such that final length is 
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Then 
where 
or 
or 
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The slope of plate characteristic of a vacuum tube diode for certain operating point on the curve is |
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dynamicView Topper Answer
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