(1)如图17所示,温度计的读数方法正确的是___(选填“A”、“B”

1)如图17所示,温度计的读数方法正确的是___(选填“A”“B”“C”),示数为___

2如图18所示,电阻箱示数是       W,其阻值变化范围是             

答案

(1) B   48   (2) 2010   0-9999Ω

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