, , , , , . , .

. Δl S , .

I q, n ( ) v : I = qnvS. , , : F=ΔIlBsinα. , , : F=qnvSlBsinα F = v|q|NBsinα, N=nSl - . , , : F=|q|vBsinα, α - .

v , , : , , , , ( ), 90 F . - - .

     


( 20 )


, , , CMB ( ) - , , , , - , , , . , . FAQ .





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