Electrical Potential

Potential at infinity

Fact bout Potential

We choose the potential to be at infinity

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Vector or Scalar

Question 1

Electric Potential is a Scalar Quantity

The Electric Field and Electric Potential

The electric field and electric potential are related by displacement. When a charge moves against electric field, external agency must do some work and this work is stored as the Potential energy.

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Definition of Electric Potential

Question

Work done by an external force in bringing a unit positive charge from infinity to a point is the electrostatic potential (V ) at that point

Please select the correct options

Answers

Work done is obviously proportional to test charge

Electric Potential is independent of test charge

Work done by external force in bringing a unit positive charge from point R to P

VP – VR = (UP – UR) ÷ q

Potential difference that is physically significant, not the potential

Unit positive charge must be brought the point without acceleration

The external force at every point of the path is to be equal and same direction to the electrostatic force on the test charge at that point

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