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year 10 Physics > shared deck > Flashcards

shared deck Flashcards

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0
Q

Two plastic rods are rubbed together and brought together. They attract each other. This is because:

A

One is negatively charged, the other is positively charge

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1
Q

When two objects are rubbed together and become charged, what moves between them?

A

Electrons

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2
Q

What charge do electrons have?

A

Negative

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3
Q

What is the unit for measuring electric current?

A

An ampere (A)

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4
Q

Electric current is a flow of:

A

Charge

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5
Q

What are the moving charges in metal conductors?

A

Electrons

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6
Q

A 6 V battery is joined to a lamp. The current is 2 A. What is the resistance of the lamp?

A

3 Ohms

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7
Q

What happens to the resistance of a thermistor as the temperature rises?

A

The resistance decreases at higher temperatures.

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8
Q

What happens to the resistance of an LDR (light dependent resistor) as the light level increases?

A

The resistance decreases at higher light levels.

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year 10 Physics (2 decks)

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