Potenial Difference

Question 1

What is potential difference?

Answer 1

The cell or battery provides the push to make charges move. The push is called potential difference, or p.d. for short.

Question 2

A cell or battery has a potential difference it is designed to work at . What is this called?

Answer 2

This is called a rating.

Question 3

What will happen if you connect together the positive ends of two cells with the same rating? What will the potential difference be?

Answer 3

The p.d. will be 0 because the cells would cancel each other out.

Question 4

Do bulbs have ratings?

Answer 4

Yes, they do.

Question 5

State the unit of potential difference

Answer 5

V E.g This bulb will work at a potential difference of 6V

Question 6

The p.d. Tells you about the…

Answer 6

Size of the force in the charges
The energy transferred by the cell to the charges
The energy transferred by the charges to the components in the circuit.