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描(miao)述(shu):教学用(yong)(yong)滑(hua)线(xian)变(bian)阻(zu)(zu)器实(shi)验(yan)室常用(yong)(yong)滑(hua)线(xian)变(bian)阻(zu)(zu)器来改(gai)变(bian)电(dian)路中(zhong)的电(dian)流或电(dian)压(ya),分别连接成制(zhi)流电(dian)路和分压(ya)电(dian)路,使用(yong)(yong)时应(ying)注(zhu)意,接通电(dian)源前,制(zhi)流电(dian)路中(zhong)滑(hua)动(dong)端(duan)T应(ying)置于(yu)(yu)电(dian)阻(zu)(zu)Z大位(wei)置(N端(duan));分压(ya)电(dian)路中(zhong),滑(hua)动(dong)端(duan)T应(ying)置于(yu)(yu)电(dian)阻(zu)(zu)Z小位(wei)置(N端(duan))。
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