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The momentum acquired by the electrons in 10cm of the wire when a current if 1A starts to flow isa)5.6*10^-13kgm/sb)5.6*10^-7kgm/sc)2.8*10^-13kgm/sd)2.8*10^-7kgm/s

The momentum acquired by the electrons in 10cm of the wire when a current if 1A starts to flow isa)5.6*10^-13kgm/sb)5.6*10^-7kgm/sc)2.8*10^-13kgm/sd)2.8*10^-7kgm/s

Grade:12

1 Answers

Arun
25750 Points
6 years ago
The momentum acquired by the electrons when current is flowing through a wire of length L is given as
P = I *m *L/e
m and e are mass and charge of electrons respectively.
P = 1* 9.1 * 10^-31 * 0.1/ 1.6 *10^-19
Now you can solve.
Regards
Arun (askIITians forum expert)

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