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Find the current flowing through a coppe...

Find the current flowing through a copper wire of length 0.2m, area of cross-section `1 mm^(2)`, when connected to a battery of 4 V. Given that electron mobility `=4.5xx10^(-6) m^(2)V^(-1) s^(-1)` and charge on electron `=1.6xx10^(-19)C`. The number density of electron in copper is `8.5 xx10^(28) m^(-3)`.

A

2.45 A

B

1.17 A

C

1.22 A

D

3.41 A

Text Solution

Verified by Experts

The correct Answer is:
C
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