1
Q
What holds the electron in orbit around the nucleus?
A
A force of attraction
2
Q
What is the outer orbit of the atom 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 an external force, the electron is now know 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 from +ve to -ve, it would be called?
A
Conventional current flow
9
Q
What is the circuit symbol for current
A
I
10
Q
Why is the unit of measurement of current?
A
Amps (A)
L Theory Module-4
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