1.
Electron has a ________ charge.
2.
Electricity is a form of _________.
3.
________ is a basic property of matter.
4.
The material which has a deficiency of electron means ________ charge.
5.
There are ________ types of charge.
6.
A proton has a ________ charge.
7.
The ________ contains further smallest particles electrons and protons.
8.
As a whole, atom is ________.
9.
A ________ is produced when clouds having opposite charges come near each other.
10.
The flow of electric charge is known as ________.
11.
The material which gains excess of electrons become ________ charged.
12.
On neutral atom, there is ________ charge.
13.
Protons and electrons are ________ in number in an atom.
14.
When a plastic comb is pulled through dry hair, it is ________charged.
15.
A spark is produced when clouds having opposite charges come near each other is known as ________.
16.
Lighting is a kind of ________.
17.
When a balloon is rubbed with woolen cloth, then balloon acquired ________ charge.
18.
Opposite charges ________ each other.
19.
When protons and electrons are equal in number, then an atom is ________.
20.
Similar charges ________ each other.
21.
The material which loses electron becomes ________ charged.
22.
The clouds are charged due to ________.
23.
The smallest particle of a material is called ________.
24.
A ________ is used to control the flow of charge.
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