Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Physics
A rigid container with thermally insulated walls contains a gas and a coil of resistance 50 Ω, carrying a current of 1 A. The change in internal energy of the gas after 2 minutes will be
Q. A rigid container with thermally insulated walls contains a gas and a coil of resistance
50
Ω
, carrying a current of
1
A
. The change in internal energy of the gas after
2
minutes will be
1544
210
KEAM
KEAM 2014
Report Error
A
6 kJ
B
10 kJ
C
3 kJ
D
12 kJ
E
1.5 kJ
Solution:
The given
R
=
50
Ω
i
=
1
A
t
=
2
min
=
2
×
60
=
120
s
We know that
H
=
i
2
Rt
=
(
1
)
2
×
50
×
120
=
6000
J
Or
=
6
×
1
0
3
=
6
k
J