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Electrical princilple

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

Name the two main parts of the atom.

a)

Proton and Electron

b)

Nucleus and Electron Cloud

c)

Neutron and Proton

d)

Electron and Neutron

2.

Which part has a negative charge?

a)

Electron

b)

Proton

c)

Neutron

d)

Nucleus

3.

Which part has a positive charge?

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus

4.

In electron current theory, in which direction do the electrons flow?

a)

From negative to positive

b)

From positive to negative

c)

In both directions

d)

Do not flow

5.

What is the charge state of an atom with an extra electron?

a)

Neutral

b)

Positive ion

c)

Negative ion

d)

No charge

6.

Conventional current flow is:

a)

the flow of positive charge from the positive to the negative terminal

b)

the flow of negative charge from the negative to the positive terminal

c)

the movement of electrons in a conductor

d)

the flow of current in alternating directions

7.

State three effects of an electric current.

a)
  •  

  • Chemical 

b)
  • Thermal 

c)

light

d)

  • Magnetic