37.依據克希荷夫定理,電阻串聯的等效電阻計算公式為下列何者?
 
(A)1/R1+1/R2+1/R3+…+1/Rm 

(B)R1+R2+R3+…+Rm
 
(C)1/(R1+R2+R3+…+Rm)
 
(D)(R1 ×R2 ×R3 ×…Rm)/(R1+R2+R3+…+Rm)

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統計: A(5), B(29), C(3), D(8), E(0) #944244