physics flashcards
1
Q
what is change
A
a physical property - positve, negative, neutral
2
Q
what is current?
A
the flow of negative charge
3
Q
how do you measure current?
A
An ammeter.
4
Q
what is the unit for current?
A
Amps.
5
Q
what’s a series circuit.
A
a single loop of components
6
Q
What do you know about the current in a series circuit?
A
it is the same everywhere
7
Q
What happens to the current when components are added to the circuit?
A
current decreases as resistance increases
8
Q
What is the unit for potential difference?
A
volts.
9
Q
How do you measure the potential difference?
A
Voltmeter?
10
Q
in a series curcuit, what is the voltage rule?
A
Sum of all the potential difference across components is equal to the voltage of the cells
