Current Flashcards
1
Q
What holds the electron in orbit around the nucleus ?
A
A force of attraction
2
Q
What is the outer orbitof the arom called
A
The Valance shell
3
Q
What is the electron in the outer orbit called
A
The valance electron
4
Q
What is the polarity of an electron
A
Negative
5
Q
If an electron is removed from an atom , by external force , the electron is now known as a ?
A
Free electron
6
Q
If an electron is removed , by an external force , the atom is now known as a ?
A
Positive ion
7
Q
The direction of electron flow is always ?
A
Negative to positive
8
Q
If current were to flow +ve to -ve , it would be called ?
A
A conventional current flow
9
Q
What is the circuit symbol for current
A
I
10
Q
What is the unit of mesurment of current
A
Amps (A)
