1 |
Static electricity is produced by the transfer of: |
Electrons
Protons
One fluid
Two fluid
None of these
|
2 |
The electric field lines start from: |
Positive charge
Negative charge
Either A and B
Neutron
An atom
|
3 |
The photocopying process is called: |
Geography
Sonography
Xerography
Zerography
None of these
|
4 |
Selenium is: |
An insulator
A conductor
Both A and B
Excellent conductor
None of these
|
5 |
The inkjet printer eject a thin stream of: |
Water
Oil
Ink
Any above
None of these
|
6 |
If the distance between two charges is doubled,the force between them will become: |
Double
Half
One third
One fourth
|