what is the force between two small charged sphears having charges for 20uc and 30uc placed 30 cm apart in air?
Answers
Answered by
1
Answer:
Charge on the first sphere, q
1
=2×10
−7
C
Charge on the second sphere, q
2
=3×10
−7
C
Distance between the spheres, r=30cm=0.3m
F=
4πε
0
r
2
q
1
q
2
Where, ε
0
= Permittivity of free space
4πε
0
1
=9×10
9
Nm
2
C
−2
F=
(0.3)
2
9×10
9
×2×10
−7
×3×10
−7
=6×10
−3
N
Hence, force between the two small charged spheres is 6×10
−3
N. The charges are of same nature. Hence, force between them will be repulsive.
Explanation:
Similar questions