Question

and
18. Read the following and answer any four questions from 18 (i) to (v)
Resistance of a conductor depends on the length, area of cross sec-
tion and nature of the material of the conductor. When a conductor is
stretched (increased in its length), then its area of cross section
decreases accordingly but the volume (ie, area x length) of the con-
ductor remains same.
18. V-1 graphs for two wires A and B are shown in the figure. Both
wires are of same length and the same thickness, then
side
of X
djus-
riodic
adius
mical
er than that wire B​

Answer 1

and

18. Read the following and answer any four questions from 18 (i) to (v)

Resistance of a conductor depends on the length, area of cross sec-

tion and nature of the material of the conductor. When a conductor is

stretched (increased in its length), then its area of cross section

decreases accordingly but the volume (ie, area x length) of the con-

ductor remains same.

18. V-1 graphs for two wires A and B are shown in the figure. Both

wires are of same length and the same thickness, then

side

of X

djus-

riodic

adius

mical

er than that wire B

Explanation:

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