在线名词解释大全 - 光学 - 详细

1-1.Ifwemeasurethedielectricconstantεofwaterusinglowfrequency,say60HzACcurrent,attwotemperatures:0°Cand100°C.

A
A.(a) The ε at 100 is much larger than ε at 0 degree
B
B.The ε at 100 is much smaller than ε at 0 degree
C
C.There is little change
正确答案:
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