Electronics revision

Which of the following is the particle that normally moves in an electric current?
Electron
Proton
Neutron
Particon
When you rub a metal rob with a cloth, what would you expect to see?
Increase in temperature
A charge builds up where it is rubbed
No change
Sparks
When you rub a balloon on your hair, it will gain electrons. Which statement best describes what this means
The balloon has a net positive charge
The balloon has static electricity
The balloon will stick to things
The balloon has a net negative charge
Static electricity doesn't happen easily with metals. Choose the statement that best describes why this is.
Metals are not conductors
Metals are poor insulators
Electrons move easily in metals
Metals have big nuclei
The balloon has gained electrons. When brought close to a stream of water, the water moves towards the balloon. Which statement best describes what is happening?
They both have the same charge
They have opposite charges to each other
The balloon's negative charge attracts the positive end of the water molecules
The balloon's negative charge attracts the water molecules
When you rub a balloon onto another non-conductive material, it will gain electrons, gaining a negative charge. Often, it will be able to stick to a wall, a ceiling, or any non-conductive surface. Give a simple description as to why this happens.
An electron is one of the three....
Charged particles
Fundamental particles
Subatomic particles
Most small things
Which of these gives the approximate mass of an electron, relative to that of a proton?
0.1837
0.0005
0.2
0.1189998819991197253
Static electricity builds up in insulating materials (and metals, when they are insulated). What does the term 'static' electricity mean?
The charges build up in one place
The charges cause things to stick
The charges can cause a shock
The charges never flow
This quiz has been about static electricity. Which statement best describes current electricity, the other kind we study?
Where the charges move
Where the electrons can move
Where the charges move in a circuit from positive to negative
Where a battery pushes charges around
1000 bonus points: what's your best electricity pun?
0
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