Common Electrical Doubts

Rubber bands- they can be stretched by our hands. Ever wondered how other materials such iron, copper, superconductors etc. could be stretched? A universal testing machine (UTM), also known as a universal tester, materials testing machine or materials test frame, is used to test the tensile strength and compressive strength of materials. The "universal" part of the name reflects that it can perform many standard tensile and compression tests on materials, components, and structures.

-project and article contributed by Shantanu Bhosale, EEE, VNIT, Nagpur.