Advertisements
Advertisements
प्रश्न
State the factors on which the electrical resistance of a wire depends.
Advertisements
उत्तर
The electric resistance of the wire depends on the following factors :
(i)The length of the wire.
(ii)The area of cross-section of the wire.
(iii)The temperature of the wire.
(iv)The material of the wire.
APPEARS IN
संबंधित प्रश्न
Name one D.C. source and one A.C. source.
Name the constituents of a cell.
State three differences between the primary and secondary cells.
Write symbol and state function of following component in an electric circuit :
cell
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
What is the potential of the spheres after electrical contact?
State SI unit of electric charge and define it.
Select the correct option:
In a metallic conductor, electric current is thought to be due to movement of:
Assuming that the charges of an electron is 1.6 × 10-19 coulombs, the number of electrons passing through a section of wire per sec, when the wire carries a current of one ampere is:
What do you understand by the term parallel circuit?
