calculate the intensity of electric field at the point P due to the charge 5micro coulomb and _3.6 micro coulomb in given diagram?
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Electric field of a point charge,
E=
4πε
0
1
r
2
q
=24NC
−1
Electric potential of a point charge
V=
4πε
0
1
r
q
=12JC
−1
The distance PQ is
r=
E
V
=
24
12
=0.5m
∴ Magnitude of charge
q
′
=4πε
0
V
r
=
9×10
9
1
×12×0.5=0.667×10
−9
C=10
−9
C
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