Electrostatic Charges

1.

Multiple Select

1 min

1 pt

Choose THREE correct statements about electrostatic charges

Electrical charges are produced through friction

A substance loses an electron become negatively charged

A substances loses and electron becomes positively charged

The repulsion and attraction produce a force

Two same charges attract each other

2.

Multiple Choice

30 sec

1 pt

The two same charges will _________ each other

attract

repel

opposite

3.

Multiple Choice

30 sec

1 pt

The two different charges will ___________ each other.

repel

attract

opposite

4.

Multiple Choice

30 sec

1 pt

Only ____________________ can move from one another object to another object when rubbed.

neutron

electron

proton

5.

Multiple Select

45 sec

1 pt

There are two types of electrical charges :

positive charge

negative charge

neutral

non-moving charge

6.

Multiple Select

45 sec

1 pt

Choose TWO objects that positively charged when rubbed.

Silk cloth

Cellulose acetate

Polythene

Glass

7.

Multiple Select

45 sec

1 pt

Choose TWO objects that negatively charged when rubbed.

Nylon

Polythene

Glass

Animal fur

8.

Multiple Choice

30 sec

1 pt

Which following instrument is required to detect static electrical charges.

Voltmeter

Galvanometer

Ammeter

Electroscope

9.

Multiple Choice

30 sec

1 pt

Choose the correct reason why the hair stand and attracted to the balloon when the balloon is rubbed to the hair?

Both balloon and hair are neutral

Both balloon and hair are same charged

The balloon is negatively charged and hair is neutral

The balloon and hair are different charged

10.

Multiple Choice

30 sec

1 pt

A Van de Graff generator is applied to ________________________

produce same charges

produce different charges

generate electrical charges

11.

Multiple Select

45 sec

1 pt

Choose TWO correct statements how lightning happened.

The upper part cloud is negatively charged

The ground is negatively charged

The friction of air and cloud produce electric charges

Force of repulsion occur between the ground and cloud

12.

Multiple Select

45 sec

1 pt

Choose a correct way to solve problem when television become so dusty easily.

Use nylon cloth

Use microfiber cloth

Use silk cloth

Use woolen cloth

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