SaraNextGen Study App [2023-24]
Last Updated On 01-06-2023 - By Jeesha Sara

The  graph for a wire of copper of length  and cross-section ares  is shown in adjoining figure. The slope of the graph will be

a)

Less if the experiment is repeated at a higher temperature

b)

More if a wire of silver having the same dimension is used

c)

Doubled if the length of the wire is doubled

d)

Halved if length of the wire is halved


Question ID - 150342 :-

The  graph for a wire of copper of length  and cross-section ares  is shown in adjoining figure. The slope of the graph will be

a)

Less if the experiment is repeated at a higher temperature

b)

More if a wire of silver having the same dimension is used

c)

Doubled if the length of the wire is doubled

d)

Halved if length of the wire is halved

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)

On doubling the length of wire its resistance is doubled and slope of  graph is doubled



Next Question :

The heat generated through  and  resistances separately, when a condenser of  capacity charged to  is discharged one by one, will be

a)

 and  respectively

b)

 and  respectively

c)

 and  respectively

d)

 and  respectively


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