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The magnitude of momentum of electrons in a straight wire of copper of length 1 meter carrying a current of 16 ampere will be?
Wiki User
∙ 12y ago
I=charge/second
16A=16C/s
16C=16*(6.25*10^18 electrons)
16C=100*10^18 electrons
mass of 1 electron=9.1*10^-31 kg
mass of 100*10^18 electrons=91*10^-12 kg/s
length 0f wire=1m
momentum=91*10^-12 kg/s * 1m
91*10^-12 kgm/s
Wiki User
∙ 12y ago
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