instrumentation imbalance

Based on the general measuring theory of electric capacity in an AC bridge, the author puts forth a question that unbalanced instrument can′t be adopted simultaneously for an alternating current and an AC zero indicator in an AC bridge.

根据一般交流电桥测量电容的原理,提出了一般交流电桥在选用交流电源和交流示零器时,不能同时选用不平衡式仪器的问题。