1 |
The electric intensity at infinite distance from the point charge is |
Infinite
Zero
Positive
Negative
|
2 |
Electric flux is a |
Vector quantity
Scalar quantity
Both (a) and (b)
None of above
|
3 |
The photo copying process is called |
Xerography
Inkjet Printer
Both (a) and (b)
None of these
|
4 |
The number of electrons in one coulomb charge is equal to |
6.2 x 10<sup>18</sup> electrons
Zero electrons
1.6 x 10<sup>-22</sup> electrons
6.2 x 10<sup>21</sup> electrons
|
5 |
Metals are good conductors of electricity because they have |
Large number of bounded electrons
Small number of electrons
Large number of free electrons
Small number of free electrons
|
6 |
When the medium is insulator the elecrostatic force between the charges is |
Decreased
Zero
Increased
None of above
|