Electric potential is a scalar quantity. Due to a point charge charge q at distance r, the potential is given by `V=(q)/(4pi in_(0)r)`. A point charge q is placed at `(3a, 0)` and another charge `-2q` is placed at `(-3a, 0)`.
If we plot a graph of potential (V) on x-axis it will be like:

Electric potential is a scalar quantity. Due to a point charge charge q at distance r, the potential is given by V=(q)/(4pi in_(0)r) . A point charge q is placed at (3a, 0) and another charge -2q is placed at (-3a, 0) . At how many points on the x-axis, (at finite distance) electric potential will be zero?

Electric potential is a scalar quantity. Due to a point charge charge q at distance r, the potential is given by V=(q)/(4pi in_(0)r) . A point charge q is placed at (3a, 0) and another charge -2q is placed at (-3a, 0) . At how many points on the x-axis, (at finite distance) electric potential will be zero?

Electric potential is a scalar quantity. Due to a point charge charge q at distance r, the potential is given by V=(q)/(4pi in_(0)r) . A point charge q is placed at (3a, 0) and another charge -2q is placed at (-3a, 0) . At how many points on the x-axis, (at finite distance) electric potential will be zero?

A positive point charge q_(1) is placed at (a,0) and another positive point charge q_(2) is placed at (0,a) . Find the force acting on q_(1) .

A positive point charge q_(1) is placed at (a,0) and another positive point charge q_(2) is placed at (0,a) . Find the force acting on q_(1) .

Obtain an expression for electric potential .V due to a point charge .Q at a distance r.

Two point charges q each are fixed at (a,0) and (-a,0). A third charge Q is placed at origin. Electrons potential energy of the system will

Two point charges q each are fixed at (a,0) and (-a,0). A third charge Q is placed at origin. Electrons potential energy of the system will

Show that electric potential at a point P, at a distance .r. from a fixed point charge Q, is given by : V=(1/(4piepsilon_0))Q/r