A charge `3 mu C` is released at rest from a point P where electric potential is (20 V). Find its kinetic energy when it reaches inifinity.

An alpha particle is placed in an electric field at a point having electric potential 5V. Find its potential energy ?

An alpha particle is placed in an electric field at a point having electric potential 5V. Find its potential energy ?

A point charge 20 muC is shifted from infinity to a point P in an electric field with zero acceleration. If the potential of that point is 1000 volt, then (i) Find out work done by electric field ? (iii) If the kinetic energy of charge particle is found to increase by 10 mJ when it is brought from infinity to point P, then what is the total work done by external agent ? (iv) What is the work done by electric field in the part (iii) (v) If a point charge 30 muC is released at rest at point P, then find out its kinetic energy at a large distance ?

A point charge 20 muC is shifted from infinity to a point P in an electric field with zero acceleration. If the potential of that point is 1000 volt, then (i) Find out work done by electric field ? (iii) If the kinetic energy of charge particle is found to increase by 10 mJ when it is brought from infinity to point P, then what is the total work done by external agent ? (iv) What is the work done by electric field in the part (iii) (v) If a point charge 30 muC is released at rest at point P, then find out its kinetic energy at a large distance ?

A point P is at a distance r from a point charge q. if at point P, the electric potential is 300 V, and the electric field intensity is 75 V/m, then the distance of P from the point charge is

Two electric charges of 9 mu C and -3 mu C are placed 0.16 m apart in air. There will be a point P at which electric potential is zero on the line joining two charges and in between them. The distance of P from 9 mu C is

Two electric charges of 9 mu C and -3 mu C are placed 0.16 m apart in air. There will be a point P at which electric potential is zero on the line joining two charges and in between them. The distance of P from 9 mu C is

In the given question, let the charge be released from rest at point B. What will be its kinetic energy , when it crosses point A ?