7) Q2/Q1=2 v1=v2=v W1=W2 L1/L2=?
L1*I1²/2=L2*I2²/2
I1=Q1*2*π*v1
I2=Q2*2*π*v2
L1/L2=(I2/I1)²=4
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8) q=9.6*10^-9
N=q/2=48
F=k*q²/r²=9*10^9*(4.8*10^-9/4.8*10^-2)²=9*10^-5 (9 мкН)
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7) Q2/Q1=2 v1=v2=v W1=W2 L1/L2=?
L1*I1²/2=L2*I2²/2
I1=Q1*2*π*v1
I2=Q2*2*π*v2
L1/L2=(I2/I1)²=4
=============
8) q=9.6*10^-9
N=q/2=48
F=k*q²/r²=9*10^9*(4.8*10^-9/4.8*10^-2)²=9*10^-5 (9 мкН)
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