Electrical Charge Carriers Flashcards
1
Q
Electrical current def
A
Electric charge transferred per unit time
2
Q
Electric charge is either ____ or _____
A
Positive
Negative
3
Q
Negative charge is made up of
A
Electrons
Electrons flow through a conductor when a current flows
4
Q
The more ____ flows around the current the larger the _____
A
Charge
Current
5
Q
Charge of an electron
A
-1.6 x 10 to the power of -19 C
6
Q
d.c
A
Current that flows in one direction
7
Q
a.c
A
Current that flows is different directions
8
Q
A d.c supply would be from ____
A a.c supply would be from ____
A
Cell or battery
Mains socket
9
Q
Mains electricity is at a voltage and frequency of
A
230v
50Hz