Electricity Flashcards
1
Q
What is Current?
A
I, Amperes (A)
The rate of flow of charge in a conductor.
2
Q
How is Current measured?
A
Using an ammeter, connected in series and has negligible resistance.
3
Q
Current in metallic conductors is due to…
A
flow of free, delocalised electrons.
4
Q
Difference between conventional current and actual current?
A
Conventional is positive to negative and actual is a flow of electrons from negative to positibe
