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plz help the above qs,thz!!
Physics---DC electricity
2010-11-07 10:00 am
回答 (1)
2010-11-07 5:05 pm
✔ 最佳答案
From the graph, when it is 20*C, the resistance of the thermistor is R = 1.5 kohm = 1500 ohmThe voltage of the power supply, V = 6.0 V
By V = IR
Reading on the milliammeter, I = V/R
= 6.0 / 1500
= 4 X 10^-3 A
= 4 mA
參考: Prof. Physics
收錄日期: 2021-04-19 23:31:47
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101107000051KK00148