3) B=6.3*10^-4 L=0.3 м R=0.1 Ом I=0.01 A v=?
ЭДС E=B*L*v=I*R v=I*R/(B*L)=0.01*0.1/(6.3*10^-4*0.3)=0.053 м/с
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4) L=0.5 м I=1 A B=2.5*10^-5 v=50/3.6=13.9 м/с t=3600 c A=?
A=I*E*t=I*B*L*v*t=1*2.5*10^-5*0.5*13.9*3600=0.625 Дж
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3) B=6.3*10^-4 L=0.3 м R=0.1 Ом I=0.01 A v=?
ЭДС E=B*L*v=I*R v=I*R/(B*L)=0.01*0.1/(6.3*10^-4*0.3)=0.053 м/с
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4) L=0.5 м I=1 A B=2.5*10^-5 v=50/3.6=13.9 м/с t=3600 c A=?
A=I*E*t=I*B*L*v*t=1*2.5*10^-5*0.5*13.9*3600=0.625 Дж
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