electricity (10) Flashcards

1
Q

in series the amount of resistors is increased what happens to current

A

the total current decreases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

in parallel what happens when the amount of resistors is increased

A

the total resistance decreases therefor the total current increases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what effects resistance

A
  • type of material
  • length (the longer the wire the more resistance)
  • thickness (the thicker the wire the less resistance)
  • temperature (the higher the temperature the higher the resistance)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

when you measure the potential difference across a battery you are measuring what

A

the emf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

conventional current

A

from positive to negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what happens when a battery goes flat

A

all it’s chemical potential energy has been converted into forms of other energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

in series, what happens with current

A

current is the same at every point in the circuit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

in series, what happens to voltage

A

the voltage is divided across resistors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

in parallel, what happens with current

A

current splits at different paths

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

in parallel, what happens with voltage

A

the voltage is the same across the resistors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

ohms law

A

current through a conductor is directly proportional to the potential difference across the conductor at a constant temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly