Current And Potential Difference Flashcards
0
Q
What is the unit of charge of current?
A
Coulomb.
1
Q
Define “current”.
A
The rate of flow of charge.
2
Q
Define “coulomb”.
A
The amount of charge that passes in one second when the current is 1 ampere.
3
Q
What is potential difference?
A
The work done in moving a unit of charge between the points.
4
Q
What is the equation for calculating potential difference?
A
Potential difference = (work done)/(charge in coulombs)
5
Q
What is the units for:
A) potential difference
B) Work done
C) charge
A
A - volts
B - joules
C - coulombs
6
Q
How does an ammeter need to be attached?
A
In series
7
Q
How does a voltmeter need to be attached?
A
In parallel.
