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JEE Mains 27-July-2022 Shift 2 Solved Paper
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© examsnet.com
Question : 52
Total: 90
In the given figure of meter bridge experiment, the balancing length
A
C
corresponding to null deflection of the galvanometer is
40
cm
. The balancing length, if the radius of the wire
AB
is doubled, will be _________
cm
.
[27-Jul-2022-Shift-2]
Your Answer:
Validate
Solution:
Even if the radius of wire is doubled, the balancing point would not change as
x
l
−
x
=
R
1
R
2
, which is not including a term of area.
© examsnet.com
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