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Electric Current: Flow of Electrons in Circuit

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The electric feild at a point due to a point charge is 30N/C and the electric potential at that point is 15J/C.Calculate the distance of the point from the charge and the magnitude of the charge.

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Q. The electric field at a point due to a point charge is

30 N / C

and the electric potential at that point is

15 J / C

respectively. What is the distance of the point from the charge and the magnitude of the charge?

Q. Derive an expression for the electric potential at a point along the axial line of an electric dipole. At a point charge, the values of electric field and potential are

25 N / C

10 J / C

. Then calculate
(a) magnitude of the charge and
(b) distance of the charge from the point of observation

Q. The electric field intensity at a point P due to point charge q kept at a point Q is 24 N

C^{- 1}

and the electric potential at point P due to same charge is 12 J

C^{- 1}

.The order of magnitude of charge q is

Q. Write the definition of electric potential. Calculate the electric potential due to a point charge Q at a distance r from it. Draw a graph between electric potential V and distance r for a point charge Q.

Q. Electric field intensity at a point due to a charge Q is 24 N/C and electric potential at A' due to charge Q is =12 j/C The distance between the charges and magnitude of Q are

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Electric Current: Flow of Electrons in Circuit

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