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Electricity and magnetism

Question 1

Electrical charges of the same type……

A. attract.

B. repel.

C. are neutral.

D. are negatively charged.

Electrical charges of the same type……

A. attract.

B. repel.

C. are neutral.

D. are negatively charged.

100 points

Question 2

A. electricity.

B. gravity.

C. attraction.

D. magnetism.

Some magnets can attract other objects. This property is called…

A. electricity.

B. gravity.

C. attraction.

D. magnetism.

Some magnets can attract other objects. This property is called…

200 points

Question 3

A. conductors.

B. insulators.

C. positive.

D. negative.

Materials that carry electrical current well are

called…

A. conductors.

B. insulators.

C. positive.

D. negative.

Materials that carry electrical current well are

called…

300 points

Question 4

A. cable.

B. motor.

C. generator.

D. switch.

How can we classify diseases according to their origin?

The component of an electrical circuit that produces the electrical current

A. cable.

B. motor.

C. generator.

D. switch.

How can we classify diseases according to their origin?

The component of an electrical circuit that produces the electrical current

400 points

Question 5

A. positively charged.

B. positively and negatively charged.

C. negatively charged.

D. neutral charged.

When an object is left with more negative charges,

we say it is …

A. positively charged.

B. positively and negatively charged.

C. negatively charged.

D. neutral charged.

When an object is left with more negative charges,

we say it is …

400 points

Question 6

A. do nothing.

B. move together.

C. repel each other.

D. attract each other.

If the same poles of two magnets are put close to each other, the magnets

will…

A. do nothing.

B. move together.

C. repel each other.

D. attract each other.

If the same poles of two magnets are put close to each other, the magnets

will…

4400 points

Question 7

A. stronger.

B. weaker.

C. the same.

D. none of them.

If more electrical charges circulate

through an object, the current is…

A. stronger.

B. weaker.

C. the same.

D. none of them.

If more electrical charges circulate

through an object, the current is…

400 points

Question 8

A. south.

B. axis of rotation.

C. west.

D. north.

When a compass is in a horizontal position, the

needle turns until it points to the …

A. south.

B. axis of rotation.

C. west.

D. north.

When a compass is in a horizontal position, the

needle turns until it points to the …

500 points

Question 9

A. generator.

B. switch.

C. motor.

D. cable.

What nutrients are found in vegetables?The component of an

electrical circuit that controls current flow is the …

A. generator.

B. switch.

C. motor.

D. cable.

What nutrients are found in vegetables?The component of an

electrical circuit that controls current flow is the …

500 points

Question 10

A. circuit must be closed.

B. switch must be open.

C. generator must have one terminal.

D. motor must have one terminal.

What nutrients are found in vegetables?

For electrical current to flow through an electrical

circuit, the …

A. circuit must be closed.

B. switch must be open.

C. generator must have one terminal.

D. motor must have one terminal.

What nutrients are found in vegetables?

For electrical current to flow through an electrical

circuit, the …

500 points

Question 11

A. toasters.

B. Batteries.

C. dynamos.

D. alternators.

Find the mistake: Types of generators.

A. toasters.

B. Batteries.

C. dynamos.

D. alternators.

Find the mistake: Types of generators.

500 points

Question 12

A. Batteries

B. Rechargeable batteries

C. Dynamos.

D. Photovoltaic cells or panels.

These transform light into electrical

current.

A. Batteries

B. Rechargeable batteries

C. Dynamos.

D. Photovoltaic cells or panels.

These transform light into electrical

current.

500 points

Question 13

A. Batteries

B. Rechargeable batteries

C. Dynamos.

D. Photovoltaic cells or panels.

These produce electrical current thanks to a turning mechanism.

A. Batteries

B. Rechargeable batteries

C. Dynamos.

D. Photovoltaic cells or panels.

These produce electrical current thanks to a turning mechanism.

600 points

Question 14

A. credit cards.

B. hard disk

C. speakers.

D. memory chips.

Uses of magnetism: Magnets are used in …

A. credit cards.

B. hard disk

C. speakers.

D. memory chips.

Uses of magnetism: Magnets are used in …

700 points

Question 15

A. bag clasps.

B. credit cards.

C. bike dynamos.

D. doorbells

Uses of magnetism: Electromagnets

are used in …

A. bag clasps.

B. credit cards.

C. bike dynamos.

D. doorbells

Uses of magnetism: Electromagnets

are used in …

800 points

Question 16

A. memory chips.

B. credit cards.

C. bike dynamos.

D. doorbells

Uses of magnetism: magnetic hardware

are used in …

A. memory chips.

B. credit cards.

C. bike dynamos.

D. doorbells

Uses of magnetism: magnetic hardware

are used in …

900 points

Question 17

A. Electrical circuit.

B. electrical current.

C. electricity. D. Electronic circuit.

A complete path through which electrical current flows through very small

components is a …

A. Electrical circuit.

B. electrical current.

C. electricity. D. Electronic circuit.

A complete path through which electrical current flows through very small

components is a …

1.000 points

And the winner is …?