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GCSE PHYSICS > P2 > Flashcards

P2 Flashcards

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1
Q

What is the symbol for a variable resistor?

A

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2
Q

What is the symbol for a thermistor?

A

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3
Q

How many hz in the mains supply?

A

50Hz

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4
Q

What is Alternating current(ac)?

A

Alternating potential difference/current
Fluctuating

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5
Q

What is the symbol for a fuse?

A

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6
Q

What is the symbol for a diode?

A

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7
Q

What is the symbol for a led (light emitting diode)?

A

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8
Q

What does a diode do?

A

Only allows current to flow in one direction

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9
Q

How many volts in the maison supply?

A

230/240

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10
Q

What is direct current (DC) ?

A

Either positive or negative
Charge is always flowing in the same direction

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GCSE PHYSICS (4 decks)

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