Electriciy

Question 1

Static electricity

Answer 1

I build up of electric charge that can occur on good insulators

Question 2

Polythene rod

Answer 2

Gains electrons if it a woollen cloth is rubbed on it

Question 3

Perspex rod

Answer 3

Loses electrons if it is rubbed by a woollen cloth

Question 4

Electric current

Answer 4

An electric current is caused by the flow of electrons though a good conductor such as metal

Question 5

Good insaltor

Answer 5

A good I salute does not allow electric current to flow.

Question 6

Closed circuit

Answer 6

If there is a break in a circuit

Question 7

Batteries

Answer 7

Pumps electrons from its negative end around a circuit. The electrons travel all the way around and are attracted Back to the positive end of the battery.

Question 8

Resistance

Answer 8

Resistance is the opposition to the flow of electrons. The unit is the Ohm, and it is measured using an ohmmeter

Question 9

Resistor

Answer 9

Is placed in an electric circuit, it will slow down the flow of electrons.

Question 10

Ohms law

Answer 10

States that the voltage is directly proportional to current