Physics Paper 1 Flashcards
1
Q
What are the 8 energy stores?
A
Thermal
Kinetic
Gravitational potential
Elastic potential
Chemical
Magnetic
Electrostatic
Nuclear
2
Q
Give the equation which links current (I), potential different (V) and resistance (R).
A
Potential difference = current x resistance
V = I x R
3
Q
What happens to the total resistance in a circuit when resistors are added in
a) series
b) parallel
A
a) increases
b) decreases
4
Q
What is this circuit symbol?
A
Voltmeter
5
Q
What is an alpha particle?
A
Two neutrons and two protons (a helium nuclei).
6
Q
What is a beta particle?
A
An electron
7
Q
What is gamma radiation?
A
An electromagnetic wave.
8
Q
What is a half life?
A
The time it takes for the number of radioactive nuclei to halve.
