Electric Potential

Question 1

What is electric potential energy?

Answer 1

The potential energy gained by a charge when moved within and electric field.

Question 2

Formula for electric potential energy?

Question 3

Formula for electric potential energy of 2 point chrges?

Answer 3

U = kq_1q_2/r

Question 4

What is electric potential?

Answer 4

Electric potential energy per unit charge

Question 5

Formula for electric potential?

Answer 5

V = U/q2 = kq1/r

Question 6

Properties of electric potential?

Question 7

What are equipotential lines?

Answer 7

Lines of equivalent otential.

Question 8

What is an equipotential surface?

Answer 8

Surface on with the electric potenital is the same at every point.

Electric field lines are always perpendicular to equipotential surfaces.

Question 9

Electric properties of conductors in equilibrium:

Answer 9

1. There is no electric field inside a conductor
2. There is no net charge inside a conductor
3. E on the surface of a conductor is perpendicular ot it

Question 10

Formula for Work?

Answer 10

W = 𝑭_e * Δ𝐬

Question 11

Formulas for potential gradient?

Question 12

Formula between electric potential and electric field?

Answer 12

dV = −𝑬 * d𝐬

If you know electirc field you can calculate the potential difference between two points by integrating the formula on the path connecting the points.

Question 13

Property of electric field in relation to electric potential?

Answer 13

The electric field always points towards lower potential.