The electric field at a distance of 10 cm from an isolated point particle with a charge of 2 x 10–9 c is 1.8×10³N/C.
When the charge is present in any form, an electric field is linked with each point in space. The value of E, also known as electric field strength, electric field intensity, or simply the electric field, expresses the magnitude and direction of the electric field.
The electric field is formally defined as a vector field associated with each location in space, the force per unit charge exerted on a positive test charge at rest at that point. The electric charge or time-varying magnetic fields generate the electric field. The magnitude of the electric field produced by a point charge Q is given by this equation.
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