Chapter 17, Problem 1QAP

To determine

The difference between electric potential and electric field..

Answer to Problem 1QAP

The electric potential is defined as the electric potential energy per unit charge while the electric field is defined as the electric force per unit charge.

Explanation of Solution

Electric potential and electric field are the two different terms use in electrical. The electric potential is defined as the electric potential energy per unit charge. In other words, electric potential is the required work to move a charge from infinite to a point in an electric field.

The expression for the electric potential is given as,

  $V=\frac{U}{q}$

However, the electric field is defined as the electric force per unit charge. The direction of electric field is always taken in the direction of force exerted on the positive test charge.

The expression for the electric field is given as,

  $E=\frac{F}{q}$

Conclusion:

Thus, electric potential is defined as the electric potential energy per unit charge while the electric field is defined as the electric force per unit charge.