Potential Difference 2.1.2 Flashcards
1
Q
What is potential difference measured in?
A
Volts (V)
2
Q
What component is used to measure potential difference?
A
A voltmeter.
3
Q
What is the equation linking potential difference with current and resistance?
A
V = I x R
4
Q
What component is used to measure current?
A
An Ammeter.
5
Q
How must an ammeter be connected in a circuit?
A
In series with the component being measured.
6
Q
How must a voltmeter be connected in a circuit?
A
In parallel across the component being measured.