英文物理题(circuit)In the circuit shown,it makes no difference whether the switch is open or closed.What is emf ε3 in terms of the other quantities shown?The circuit diagram is here:
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![英文物理题(circuit)In the circuit shown,it makes no difference whether the switch is open or closed.What is emf ε3 in terms of the other quantities shown?The circuit diagram is here:](/uploads/image/z/13002745-49-5.jpg?t=%E8%8B%B1%E6%96%87%E7%89%A9%E7%90%86%E9%A2%98%28circuit%29In+the+circuit+shown%2Cit+makes+no+difference+whether+the+switch+is+open+or+closed.What+is+emf+%CE%B53+in+terms+of+the+other+quantities+shown%3FThe+circuit+diagram+is+here%3A)
英文物理题(circuit)In the circuit shown,it makes no difference whether the switch is open or closed.What is emf ε3 in terms of the other quantities shown?The circuit diagram is here:
英文物理题(circuit)
In the circuit shown,it makes no difference whether the switch
is open or closed.What is emf ε3 in terms of the other
quantities shown?
The circuit diagram is here:
英文物理题(circuit)In the circuit shown,it makes no difference whether the switch is open or closed.What is emf ε3 in terms of the other quantities shown?The circuit diagram is here:
it makes no difference whether the switch
is open or closed,表明ε3等于开关打开时ε1ε2结点以及R1R2结点两端电压.求出这个电压就行.
还是用原始的方法吧,电流I=(ε1+ε2)/(R1+R2)
电压ε3=ε2-R2*(ε1+ε2)/(R1+R2)=(ε2*R1-ε1*R2)/(R1+R2)