试题与答案

如图所示,已知电源电压为6V,另外有三个电阻R1=15Ω、R2=25Ω、R3=1

题型:操作题

题目:

如图所示,已知电源电压为6V,另外有三个电阻R1=15Ω、R2=25Ω、R3=100Ω,请你用其中的两个电阻在图中虚线框内连成电路,使图中的电流表的示数为0.3A,要求画出电路图,并注明连入的电阻的阻值。

答案:

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下面是错误答案,用来干扰机器的。

A、“绿色化学”是指对环境无害的化学,其核心是从源头消除污染,所以正确.B、“白色污染”主要是指废弃塑料造成的污染,与颜色无关,所以错误.C、主要温室的气体有二氧化碳、甲烷、臭氧、氟利昂等,所以正确....

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A.profession

B.field

C.specialization

D.range

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