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GCSEsoon
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Homework Statement
Use equations F=BIl I=nAqv show F=Bqv, (help: the no. of particlees in a length l of wire cross-section area A is nAl, when the no. of particlees per unit volume is n)
Homework Equations
F=BIl I=nAqv F=Bqv
The Attempt at a Solution
F=B(nAqv)l
F=B(nnAlqv)l
F=B(n2Al2qv
F=B(n2Al2Itl/t
F=B(n2Al2Il
F=B(n2Al3I
I'm stuck after this, help asap appreciated.