Home
Class 12
PHYSICS
Drift speed of electrons, when 1.5 A of ...

Drift speed of electrons, when 1.5 A of current flows in a copper wire of cross setion 5 `mm^(2)` , is v. If the electron density in copper is `9xx10^(28)//m^(3)` the value of v in `mm//s` close to (Take charge of electron to be `=1.6xx10^(-19)C)`

A

0.02

B

3

C

2

D

0.2

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate the drift speed of the electrons when 1A of current exists in a copper wire of cross section 2 mm^(2) .The number of free electrons in 1cm^(3) of copper is 8.5xx10^(22) .

A current of 10 A is maintained in a conductor of cross-section 1 cm^(2) . If the free electron density in the conductor is 9 xx 10^(28) m^(-3) , then drift velocity of free electrons is

A current of 10 A is mainatained in a conductor of cross - section 1 cm^(2) . If the free electron density in the conductor is 9 xx 10^(28) m^(-3) , then drift velocity of free electrons is .

A current 0.5 amperes flows in a conductor of cross-sectional area of 10^(-2) m^2 . If the electron density is 0.3 * 10^(28) m^(-3) , then the drift velocity of free electrons is

Find the velocity of charge leading to 1A current which flows in a copper conductor of cross section 1cm^2 and length 10 km . Free electron density of copper is 8.5 X 10^28//m^3 . How long will it take the electric charge to travel from one end of the conductor to the other?

Find the average drift speed of free electrons in a copper wire of area of cross-section 10^(-7) m^(2) carrying current of 1.5 A and having free electron density 8.5 xx 10^(28) m^(-3)

Find the average drift speed of free electrons in a copper wire of area of cross-section 10^(-7) m^(2) carrying current of 1.5 A and having free electron density 8.5 xx 10^(28) m^(-3)

Calculate the electric field in a copper wire of cross-sectional area 2.0mm^(2) carrying a current of 1A .The resistivity of copper =1.7xx10^(-8)(Omega)m .

A current 4.0 A exist in a wire of cross-sectional area 2.0 mm^(2) . If each cubic metre of the wire contains 12.0xx10^(28) free electrons, then the drift spped is

A current of 1.8 A flows through a wire of cross-sectional area 0.5 mm^(2) ? Find the current density in the wire. If the number density of conduction electrons in the wire is 8.8 xx 10^(28) m^(-3) , find the drift speed of electrons.