Circuits Flashcards

1
Q

Every point in a circuit has a…

A

voltage

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

All points that are connected directly by a wire have…

A

the same voltage

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

What is electrical current is driven by?

A

A difference in voltage between different parts of the circuit.

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

Current can only flow through…

A

a looped path–a circuit must loop to form a continuous pathway back to where it started.

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

What type of voltage difference does a battery hold?

A

A constant voltage difference between its two contacts.

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

What does a light bulb produce?

A

Light, based on how much current passes through it.

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

A switch doesn’t connect the wires on either side until…

A

It is closed, or switched “on”. Once a switch is closed, it acts the same as a wire.

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

For components in series, the magnitude of the voltage drop across a component is proportional to…

A

that component’s resistance.

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

What happens to the resistance and total current when there are more paths for the current to flow?

A

The resistance goes down and the total current goes up.

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