p4- electrical circuits Flashcards
1
Q
electrical power =
A
energy transferred / time
2
Q
energy transferred =
A
charge moved x potential difference
3
Q
charge =
A
current x time
4
Q
potential difference =
A
current x resistance
5
Q
in a series circuit, the current in each component is…
A
equal
6
Q
what are parallel circuits?
A
components connected on separate loops
7
Q
what happens if a bulb breaks in parallel?
A
the others remain on
8
Q
what is a series circuit?
A
components connected in the same loop of the circuit
9
Q
what is current?
A
the flow of charge
10
Q
what is potential difference?
A
what pushes charge around a circuit
11
Q
in a parallel circuit, the current is…
A
shared between each connected component
12
Q
what is the sum of all pds in a series circuit?
A
the total potential difference across the power supply
