Question

Arrange the following materials in increasing order of their resistivity,
Nichrome, Copper, Germanium, Silicon

• A. Copper $<$ Nichrome $<$ Germanium $<$ Silicon
• B. Germanium $<$ Copper $<$ Nichrome $<$ Silicon
• C. Nichrome $<$ Copper $<$ Germanium $<$ Silicon
• D. Nichrome $<$ Germanium $<$ Copper $<$ Silicon

Answer 1

Answer: (A)

Materials	Resistivity $\left(\rho \right)$ ($\Omega m$ at $0^{\circ }C$)
Copper $(Cu)$	$1.7\times 10^{-8}$
Nichrom (alloy of $Ni$, $Fe$, $Cr$)	$100\times 10^{-8}$
Germanium	$0.46$
Silicon	$2300$