惠斯通电桥的灵敏度

Sensitivity of Wheatstone Bridge

讨论了电桥灵敏度S与桥臂的阻值以及检流计内阻Rg 之间的关系 ,并且给出了在限定条件下S的极大值 .

The relationship between sensitivity of bridge and resistance of arm of bridge and inner resistance of galvanometer was studied.Under certain conditions,maximum of sensitivity of bridge was given.