Short Tricks: Electrostatics Potential

# Short Tricks: Electrostatics Potential Video Lecture | Physics Class 12 - NEET

## Physics Class 12

158 videos|453 docs|185 tests

## FAQs on Short Tricks: Electrostatics Potential Video Lecture - Physics Class 12 - NEET

 1. What is electrostatic potential?
Ans. Electrostatic potential refers to the amount of work done in bringing a unit positive charge from infinity to a particular point in an electric field. It is measured in volts (V) and represents the potential energy per unit charge at a given point.
 2. How is electrostatic potential different from electric potential energy?
Ans. Electrostatic potential is a scalar quantity that represents the potential energy per unit charge at a specific point in an electric field. On the other hand, electric potential energy is the potential energy possessed by a charged object due to its position in an electric field. The electrostatic potential is associated with a point in the field, while electric potential energy is associated with a charged object.
 3. Can the electrostatic potential at a point be zero?
Ans. Yes, the electrostatic potential at a point can be zero. This occurs when the point is at the same potential as the reference point, usually taken at infinity. In such cases, no work is required to bring a unit positive charge from infinity to that point.
 4. How is the electrostatic potential related to electric field strength?
Ans. The electric field strength at a point is the negative rate of change of electrostatic potential with respect to distance. In other words, it is the negative gradient of the electrostatic potential. The electric field lines point in the direction of decreasing electrostatic potential.
 5. What is the formula to calculate electrostatic potential due to a point charge?
Ans. The electrostatic potential due to a point charge can be calculated using the formula V = kQ/r, where V is the electrostatic potential, k is the electrostatic constant (9 x 10^9 Nm^2/C^2), Q is the magnitude of the point charge, and r is the distance from the charge to the point where the potential is being calculated.

## Physics Class 12

158 videos|453 docs|185 tests

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