Uses of Resistors #8211; (i) Thermistors (ii) Element of heating devices #8211; (such as heater, geyser or press) is made up of nichrome which has high resistivity and high melting point (iii) Resistances of resistance boxes, (iv) Filament of electric bulb #8211; Is made up of tungsten which has high resistivity and high melting point, (v) Fuse wire.