Since the electric field lines point radially away from the charge, they are perpendicular to the equipotential lines.
What is the relation between the direction of an electric field line and an equipotential line at the same point?
Answer: The direction of electric field and equipotential line at the same point are always PERPENDICULAR TO THE ELECTRIC FIELD. Explanation: Equipotential surface is a three dimensional part of equipotential lines.
What is the relationship between electric field lines and equipotential lines?
Electric field lines begin on positive charges and radiate away from them toward negative charges, where they terminate. 3. Equipotential lines are lines connecting points of the same electric potential. All electric field lines cross all equipotential lines perpendicularly.
How does the direction of the electric field relate to the equipotential surface?
Equipotential Lines in a Constant Field
If the charge moves in the direction of the electric field it will move towards the lower values of potential. If the charge moves towards the direction opposite to that of electric field we move towards the higher values of potential.
When equipotential lines are traced to be closer the rate of loss of head will be?
If the equipotential lines are traced closer, then the loss of head is fast and vice versa. 6.
What is the general relation between electric field and potential?
The relationship between potential and field (E) is a differential: electric field is the gradient of potential (V) in the x direction. This can be represented as: Ex=−dVdx E x = − dV dx . Thus, as the test charge is moved in the x direction, the rate of the its change in potential is the value of the electric field.
Can two equipotential lines cross?
Equipotential lines at different potentials can never cross either. This is because they are, by definition, a line of constant potential. … If lines for two different values of the potential were to cross, then they would no longer represent equipotential lines.
Why electric field is normal to equipotential surface?
Since the electric field lines are directed radially away from the charge, hence they are opposite to the equipotential lines. … Therefore, the electric field is perpendicular to the equipotential surface.
Why electric field inside a conductor is zero?
Electric field is zero inside a charged conductor. For a charged conductor, the charges will lie on the surface of the conductor.So, there will not be any charges inside the conductor. When there is no charge there will not be electric field.
Why does potential decreases in the direction of electric field?
Therefore the electric field at a point is equal to the negative gradient of the electric potential at that point. The negative sign indicates that the direction of E is always in the direction of decreased potential. Hence, we can say that, In the direction of electric field, the electric potential decreases.