Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A potential difference of 30V is applied between ends of a conductor of length 100 m and resistance `0.5 Omega`. The conductor has uniform cross-section. The total linear momentum of free electrons is (mass of electron`=9.1xx10^(-31)kg, e = 1.6xx10^(-49) C)` - Sarthaks eConnect

A potential difference of 30V is applied between ends of a conductor of length 100 m and resistance `0.5 Omega`. The conductor has uniform cross-section. The total linear momentum of free electrons is (mass of electron`=9.1xx10^(-31) kg, e = 1.6xx10^(-49) C)`

A potential difference of 30V is applied between ends of a conductor of length 100 m and resistance `0.5 Omega`. The conductor has uniform cross-section. The total linear momentum of free electrons is (mass of electron`=9.1xx10^(-31) kg, e = 1.6xx10^(-49) C)`

A.

`3.4xx10^(-8)` kgm/s

B.

`1.7xx10^(-8)` kgm/s

C.

`2xx10^(-8)` kgm/s

D.

`10^(-8)` kgm/s

Solution

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Best answer

`I_1=V/R=60A`

n=no. of free electrons / volume,` V_d` = drift speed of a free electrons, m=mass of electron