P12: Electric Current Flashcards by Freya Edge-Burckhardt Year12 | Brainscape

Q

What does NTC mean?

A

Negative Temperature Coefficient - as temperature goes up resistance decreases

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How to find resistance on a V/I graph?

A

The resistance at a point is the gradient at that point (V/I)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Uses for Superconductors:

A

Power cables that don’t waste any energy
Very strong electromagnets which don’t need a constant power source
Fast-working electronic circuits without resistance

How well did you know this?

1

Not at all

2

3

4

5

Perfectly