What is current and how are current, voltage and resistance linked? Flashcards
1
Q
What is charge?
A
physical property of object - determines interaction with other objects in electromagnetic field.
2
Q
What is current?
A
The rate of flow of electrical charge.
3
Q
How are charge, current and time linked?
A
Charge is equal to current multiplied by time.
4
Q
What is resistance? What is it measured in?
A
The resistance a component offers to the flow of charge in a circuit.
Measured in ohms.
5
Q
How are current, voltage and resistance linked?
A
Voltage equals current multiplied by resistance.
6
Q
What is voltage?
A
Difference in electrical energy in different parts of a circuit
