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Electricity Year 8

Authored by Rahul Gupta

Physics

KG

Used 34+ times

Electricity Year 8
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the name of the piece of wire inside a bulb that glows when current flows through it?

lead

fuse

filament

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

If the bulb on the left breaks what happens to the other bulb?

It gets brighter

It switches off

It stays the same brightness

It becomes dimmer (but still on)

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the name of the particles that flow through metal wires when a voltage is applied?

Atoms

Neutrons

Protons

Electrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

This is a circuit symbol for a cell. Which line shows the positive terminal and which shows the negative terminal?

Longer line - positive;

Shorter line - negative

Longer line - negative;

Shorter line -

positive

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Out of which end of the cell do electrons flow from?

Electrons flow from the negative terminal around to the positive terminal

Electrons flow from the positive terminal around to the negative terminal

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

This picture shows another model for an electric circuit - the 'central heating model.'

What do the pipes connecting the boiler to the radiator represent?

electrons

bulb/other component

cell

wires

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

What does the boiler represent?

cell/battery

wires

bulb/component receiving energy

electrons

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