Lializ physics quiz Flashcards
1
Q
What are the electrical charges of Protons, Neutrons and Electrons- in order?
A
Positive, No charge, Negative.
2
Q
Where are the sub-atomic particles located?
A
Protons and electrons always exist in the nucleus of the atom. Electrons whizz around the centre in areas called orbitals.
3
Q
What are the masses of the sub-atomic particles?
A
Protons and Neutrons have a mass of 1, Electrons have a mass that is close to 0.
4
Q
What is an electrical field?
A
Charges have an electric field around them. Field strength decreases as you move away from the charge.
5
Q
What is an ammeter?
A
Measures currents in ampères
6
Q
What is a voltmeter?
A
Measures voltage
7
Q
What is an Ohmmeter?
A
Measures resistance in ohms.
8
Q
A