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NEET 2021 Model Test Paper 6
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© examsnet.com
Question : 12
Total: 180
Find the work done in the process ABCA :-
400 π J
2456 J
200 π J
1826
Validate
Solution:
W = area of cycle
W
=
π
2
ab
From diagram 2a = 40 ⇒ a = 20
b = 20 ⇒ b = 20
W
=
π
2
(
20
)
(
20
)
=
200
π
J
© examsnet.com
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