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发明名称
温度与导体电阻关系的演示实验装置
摘要
温度与导体电阻关系的演示实验装置属于教学用具,尤其涉及一种温度与导体电阻关系的演示实验装置结构的改进。本实用新型就是提供一种效果明显、直观的温度与导体电阻关系的演示实验装置。本实用新型包括电源、欧姆表及灯泡L1,其特征在于,灯泡L1的两端分别同双投开关S的接点a、b相连,双投开关S的B端分别与电源的两端相连,双投开关S的A端分别与欧姆表的两端相连。
申请公布号
CN201126673Y
申请公布日期
2008.10.01
申请号
CN200720016576.2
申请日期
2007.12.10
申请人
王璐
发明人
王璐
分类号
G09B23/18(2006.01)
主分类号
G09B23/18(2006.01)
代理机构
代理人
主权项
1、温度与导体电阻关系的演示实验装置,包括电源、欧姆表及灯泡L1,其特征在于,灯泡L1的两端分别同双投开关S的接点a、b相连,双投开关S的B端分别与电源的两端相连,双投开关S的A端分别与欧姆表的两端相连。
地址
124000辽宁省盘锦市实验中学
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