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A platinum resistance thermometer is con...

A platinum resistance thermometer is constructed which reads `0^(@) C` at ice point and `100^(@) C` at steam point. The resistance of platinum coil varies with t as `R_(1) = R_(0) (1+ alpha t + beta t^(2) )`. If `t_(p)` denotes temperature on the platinum resistance thermometer and t denotes temperature on mercury scale. Then resistance as the function of `t_(p)` will be:

A

`R_(0) [1+ alpha t_(p) + beta xx (100) t_(p) ]`

B

`R_(0) [1+ alpha t_(p) + alphaxx (100 ) t_(p) ]`

C

` R_(0) [ 1+ beta t_(p) - alpha t_(p) ]`

D

`R_(0) [ beta t_(p) + alpha t_(p) ]`

Text Solution

Verified by Experts

The correct Answer is:
A
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