Lesson 1 Flashcards
1
Q
What is charge?
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
Ammeter
4
Q
What is the unit for current?
A
Amps (A)
5
Q
What is a series curcuit?
A
a single loop of components
6
Q
What do you know about the current in a series curuit?
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 (V)
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
