A charge of 1 uC is distributed on a circular ring of radius 5 cm. Find the linear charge density.
Answers
Answered by
3
Explanation:
Radius =r, So, 2πr= Circumference
Charge density =λ
Total charge =2πr×λ
Electric potential=
r
Kq
=
4πε
0
1
×
(x
2
+r
2
)
1/2
2πrλ
=
2ε
0
(x
2
+r
2
)
1/2
rλ
So, Electric field =
r
V
cosθ
=
2ε
0
(x
2
+r
2
)
1/2
rλ
×
(x
2
+r
2
)
1/2
1
=
2ε
0
(x
2
+r
2
)
1/2
rλ
×
(x
2
+r
2
)
1/2
x
=
2ε
0
(x
2
+r
2
)
3/2
rλx
.
Answered by
4
Answer:
Linear charge density= 0.2 cm-1
Explanation:
the formula of linear charge density is λ= q/l
λ = 1/5 = 0.2 cm -¹
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