A positive point charge is released from rest
at a distance ro from a positive line charge
with uniform density. The speed (v) of the
point charge, as a function of instantaneous
distance r from line charge, is proportional
to
[JEE Main 2019, 8 April Shift-II] explain....
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1
Answer:
Explanation:
2
1
mV
2
=−q(V
f
−V
i
)
E=
2πε
9
r
λ
ΔV=
2πε
0
λ
ℓn(
r
r
0
)
2
1
mv
2
=
2πε
0
−qλ
ℓn(
r
r
0
)
v∝
ℓn(
r
0
r
)
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