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Byju's Answer
Standard XI
Physics
Coulomb's Law - Mathematical Form
The force bet...
Question
The force between two charges 0.06 m apart is 5 N.
If each charge is moved towards the other by
0.01 m,
then the force between them will become
A
7.20 N
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B
11.25 N
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C
22.50 N
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D
45.00 N
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Solution
The correct option is
B
11.25 N
F
∝
1
r
2
⇒
F
1
F
2
=
(
r
2
r
1
)
2
⇒
5
F
2
=
(
0.04
0.06
)
2
=
F
2
=
11.25
N
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