Q3 of 330 Page 5

What do the letters p.d. stand for?

p.d. stands for potential difference. Potential difference between two points in a circuit is the work done in moving unit charge (i.e. one coulomb) from one point to the other.


More from this chapter

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1

By what other name is the unit joule/coulomb called?

 2

Which of the following statements correctly defines a volt?


(a) A volt is a joule per ampere.


(b) A volt is a joule per coulomb.

 3

Which device is used to measure p.d.?

 4

What is meant by saying that the electric potential at a point is 1 volt?