A wire has a resistance of 5.5 at 19oC and 21.5 at 200oC. Find the – McqOptions

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1.	A wire has a resistance of 5.5 at 19^oC and 21.5 at 200^oC. Find the temperature coefficient of resistivity( ) of the material.
A.	0.016 <sup>o</sup>C<sup>-1</sup>
B.	0.160 <sup>o</sup>C<sup>-1</sup>
C.	1.600 <sup>o</sup>C<sup>-1</sup>
D.	16.00 <sup>o</sup>C<sup>-1</sup>
Answer» B. 0.160 <sup>o</sup>C<sup>-1</sup>

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