2.1 Conduction of Electricity

Question 1

What is the charge of an electron

Answer 1

-1.6x10^-19C

Question 2

Electrical current

Answer 2

The rate of flow of charge

Question 3

Conventional current flows from … to …

Answer 3

Positive to negative

Question 4

Electron flow, flows from … to …

Answer 4

Negative to positive

Question 5

Area under a current - time graph gives

Answer 5

The total charge

Question 6

Materials that charge can flow through are called

Answer 6

Conductors

Question 7

If there is no current then at what speed do electrons travel

Answer 7

1x10⁶ms^-1

Question 8

Metals have a … structure of atoms.

Answer 8

Lattice

Question 9

In metals there are … floating around

Answer 9

Free electrons

Question 10

What is the equation for current

Answer 10

Change in charge over change in time

Question 11

When Potential difference is applied across the ends of a metal the “free electrons” … towards the highest potential (voltage). This process is called …

Answer 11

Drift
Drift velocity

Question 12

What is the equation for drift velocity

Answer 12

I = nAve

Question 13

what other SI units could an ampere or A be in

Answer 13

Cs^-1