Electricity

Question 1

define electricity.

Answer 1

the flow of electrons around a circuit and they actually flow from negative to positive (unless conventual)

Question 2

define current and what it is measured in.

Answer 2

the rate of flow of charge - measured in coulombs per second (C/S) or Amps (A).

Question 3

define Potential difference and its measurement.

Answer 3

the work done in a moving unit charge from one point to another - measured in voltage (V).

Question 4

define resistance

And how it can be increased

Answer 4

How much a material tries to stop electricity passing through

increased when: length of wire is increased, the wire is thin.