Unit 2DEFINITIONS Flashcards
(12 cards)
1
Q
e.m.f.
A
work done moving unit charge around the whole circuit
2
Q
internal resistance
A
work done moving unit charge around the whole circuit
3
Q
work function of a metal
A
the minimum energy required for the metal to emit an electron
4
Q
terminal potential difference
A
the potential difference across the terminals of a cell
5
Q
current
A
the rate of flow of charge in a circuit
6
Q
potential difference
A
the difference in electric potential between two points in a circuit,
7
Q
resistance
A
8
Q
resistivity
A
9
Q
Ohm’s law
A
10
Q
none ohmic conductor
A
11
Q
potential divider
A
12
Q
negative temperature coefficient electrons
A
