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Electric charge

Total questions: 12

Worksheet time: 5mins

Name
Class
Date
1.

SI unit for electric charge

a)

Newton

b)

Coulomb

c)

Kilogram

d)

Watts

2.

What subatomic particles can you find at the center of nucleus?

a)

electron and proton

b)

proton only

c)

neutron and proton

d)

neutron and electron

3.

What is the fundamental value of  electron?

a)

 e=1.60×10−19 C

b)

e= 1.60×10−91 C

c)

e= 1.60×10−15 C

d)

e= 1.60×10−21 C

4.

What makes up an atom?

a)

electron and proton

b)

electron and neutron

c)

neutron, electron and friction

d)

neutron, electron and proton

5.

Millikan experiment is important because

a)

It established the fundamental value of electron.

b)

It used the x-ray in conducting the experiment

6.

What happen when unlike charges is held close to each other?

a)

Repel

b)

Attract

c)

Explode

d)

Dissolve

7.

What charge does an electron have?

a)

neutral

b)

positive

c)

negative

d)

zero

8.

In an atom, where is the location of electron?

a)

at the center of the nucleus

b)

the free floating negatively charged electron cloud

c)

the positively charge very dense nucleus

d)

the very dense positively charged electron orbital

9.

What types of charges repel?

a)

Unlike charges repel.

b)

positive and negative charges.

c)

Like charges repel.

10.

What is the SI unit of force?

a)

Coulomb

b)

Kilogram

c)

Newton

d)

Meter

11.

Ms. Josette rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

a)

The balloons will attract each other.

b)

The balloons will repel each other

c)

The balloons will pop.

d)

The balloon will become colorless.

12.

The part of atom that moves from one object to another.

a)

proton

b)

neutron

c)

electron