SSC JE Electrical Engineering 26 Sep 2019 Shift 2 Paper

Question : 188 of 200

Marks: +1, -0

The names of four materials have been given, select the one which has the least resistivity at 20°C.

Solution:

Resistivity of a material is often directly proportional to its temperature. The resistivity of silver is about 1.59 × 10

^{–8}

Ωm at 20 degrees Celsius. This tiny amount means that silver cannot resist the flow of electrons very well.

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