问题 填空题

某滑动变阻器铭牌上标有“10Ω、1.5A”,10Ω表示    ,1.5A表示   

答案

滑动变阻器的最大阻值是10Ω  允许通过的最大电流为1.5A

考点:

专题:简答题.

分析:滑动变阻器的铭牌上标有滑动变阻器的最大阻值和允许通过的最大电流.

解答:解:滑动变阻器铭牌标有“10Ω  1.5A”,10Ω表示滑动变阻器连入电路的最大电阻是10Ω;1.5A表示滑动变阻器通过的电流不能超过1.5A.

故答案为:滑动变阻器的最大阻值是10Ω;允许通过的最大电流是1.5A.

点评:(1)掌握滑动变阻器的结构、原理、作用、接线柱的接法、铭牌参数的含义等等.

(2)掌握电灯铭牌参数、用电器铭牌参数的含义.

阅读理解

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