如图所示,电源电压保持6V不变.电流表的量程为0~0.6A.电压表量程0~3V,定值电阻R1的规格为“15Ω 0.5A”,滑动变阻器R2的规格为“25Ω 1A”.闭合开关,为了保证电路安全,在变阻器滑片P移动过
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![如图所示,电源电压保持6V不变.电流表的量程为0~0.6A.电压表量程0~3V,定值电阻R1的规格为“15Ω 0.5A”,滑动变阻器R2的规格为“25Ω 1A”.闭合开关,为了保证电路安全,在变阻器滑片P移动过](/uploads/image/z/6262872-24-2.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%94%B5%E6%BA%90%E7%94%B5%E5%8E%8B%E4%BF%9D%E6%8C%816V%E4%B8%8D%E5%8F%98%EF%BC%8E%E7%94%B5%E6%B5%81%E8%A1%A8%E7%9A%84%E9%87%8F%E7%A8%8B%E4%B8%BA0%EF%BD%9E0.6A%EF%BC%8E%E7%94%B5%E5%8E%8B%E8%A1%A8%E9%87%8F%E7%A8%8B0%EF%BD%9E3V%2C%E5%AE%9A%E5%80%BC%E7%94%B5%E9%98%BBR1%E7%9A%84%E8%A7%84%E6%A0%BC%E4%B8%BA%E2%80%9C15%CE%A9+0.5A%E2%80%9D%2C%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8R2%E7%9A%84%E8%A7%84%E6%A0%BC%E4%B8%BA%E2%80%9C25%CE%A9+1A%E2%80%9D%EF%BC%8E%E9%97%AD%E5%90%88%E5%BC%80%E5%85%B3%2C%E4%B8%BA%E4%BA%86%E4%BF%9D%E8%AF%81%E7%94%B5%E8%B7%AF%E5%AE%89%E5%85%A8%2C%E5%9C%A8%E5%8F%98%E9%98%BB%E5%99%A8%E6%BB%91%E7%89%87P%E7%A7%BB%E5%8A%A8%E8%BF%87)
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