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Question
Physics
A resistor dissipates 192 J of energy in 1 s when a current of 4 A is passed through it. Now, when the current is doubled, the amount of thermal energy dissipated in 5 s in J .
Q. A resistor dissipates
192
J
of energy in
1
s
when a current of
4
A
is passed through it. Now, when the current is doubled, the amount of thermal energy dissipated in
5
s
in _____
J
.
1610
218
JEE Main
JEE Main 2021
Current Electricity
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Answer:
3840
Solution:
E
=
i
2
Rt
192
=
16
(
R
)
(
1
)
R
=
12Ω
E
1
=
(
8
)
2
(
12
)
(
5
)
=
3840
J