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SSC JE 2017: Electrical Materials Rankers Quiz 2

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Question 1

The phenomenon of magnetostriction occurs when a ferromagnetic substance is magnetized resulting in

Question 2

Superconductivity is a material property associated with

Question 3

The welding resistance of which material is lowest?

Question 4

Bohr magneton is unit of

Question 5

Above the Curie temperature, ferro-magnetic materials behave like

Question 6

A semiconductor has a band gap of 2 eV. The wavelength of radiation emitted from the semiconductor when electrons and holes recombine is

Question 7

The magnetic field at which a super-conductor remains in its superconducting state at a temperature less than the transition temperature is

Question 8

The following material is not used for making a piezoelectric transducer
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