Tardigrade
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Tardigrade
Question
Physics
I and V are respectively the current and voltage in a metal wire of resistance R. The I-V graph for the two different temperatures T1 and T2 given, then
Q.
I
and
V
are respectively the current and voltage in a metal wire of resistance
R
. The
I
−
V
graph for the two different temperatures
T
1
and
T
2
given, then
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A
T
1
=
T
2
7%
B
T
1
>
T
2
41%
C
T
1
<
T
2
46%
D
T
1
=
2
T
2
6%
Solution:
Slope of line
=
R
1
or
R
=
slope
1
∵
(slope)
T
2
<
(slope)
T
1
∴
R
2
>
R
1
Resistance of a metal wire increases with the temperature. So
T
2
>
T
1