|Voltmeter: Digital Voltmeter Of Range||0-300 V Ac|
|Digital voltmeter, Range||0 to 300V|
Thermal Conductivity of Metal Rod The apparatus consists of a copper bar, which is heated at one end, a heat sink is provided at other end. The test section of bar is properly insulated and thermocouples are attached along the length of bar. Heat conducted through the section of bar is measured by heat collection in water-cooled heat sink.