If the electric potential at a point is 0 V, what can be said about the electric

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Question: If the electric potential at a point is 0 V, what can be said about the electric field at that point?

Options:

Correct Answer: It is zero

Solution:

The electric field is the negative gradient of the electric potential. If the potential is constant (0 V), the electric field is zero.

If the electric potential at a point is 0 V, what can be said about the electric field at that point?

If the electric potential at a point is 0 V, what can be said about the electric field at that point?

Step 1: Understand what electric potential means. Electric potential is a measure of the potential energy per unit charge at a point in an electric field.
Step 2: Recognize that 0 V means there is no potential energy at that point.
Step 3: Learn about the electric field. The electric field is a measure of the force that a charge would feel at a point in space.
Step 4: Know that the electric field is related to the electric potential. Specifically, the electric field is the negative change (or gradient) of the electric potential.
Step 5: If the electric potential is constant (like 0 V), it means there is no change in potential at that point.
Step 6: Since there is no change in potential, the electric field must be zero at that point.

Electric Potential and Electric Field Relationship – The electric field is related to the electric potential through its gradient; a constant potential indicates no electric field.