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