electrical concepts Flashcards
1
Q
charge is measured in
A
Coulomb
2
Q
2 kinds of charge:
A
positive and negative
3
Q
materials with unlike charges are
A
attracted to each other
4
Q
materials with like charges are
A
repelled by each other
5
Q
the direction of an electric field is the direction of
A
the force experienced by a positive charge in the field
6
Q
a negative charge experiences a force in the
A
opposite direction to the direction of the field
7
Q
current is measured in
A
amperes
8
Q
current symbol-
A
I
9
Q
charge equation:
A
Q = It
10
Q
potential difference is measured in
A
volts
11
Q
charge, potential difference, work equation:
A
Ew = QV
12
Q
1 volt equal to …. ……. per coloumb
A
1 joule per coloumb
13
Q
when a charge is moved in an electric field, the work done depends only on
A
the start and finish points
