Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CGP GCSE Physics > Light-Emitting Diodes are Really Useful > Flashcards

Light-Emitting Diodes are Really Useful Flashcards

You may prefer our related Brainscape-certified flashcards:
Physics 101 flashcards GCSE Religious Studies - Edexcel Route A flashcards AP® Physics flashcards GCSE Religious Studies - Eduqas Route A flashcards GCSE Geography - AQA flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Eduqas Route B flashcards
1
Q

What does LED stand for?

A

Light-emitting diode

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

When do LEDs emit light?

A

When a current flows through them in a forward direction

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

What are they used for?

A

The numbers in digital clocks, in traffic lights and in remote controls

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

How are they different from a light bulb?

A

They don’t have a filament that can burn out

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

CGP GCSE Physics (237 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions