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The length of a steel rod exceeds that o...

The length of a steel rod exceeds that of a brass rod by 5cm. If the difference in their lengths remains same at all temperatures, then the length of brass rod will be : ( `alpha` for iron and brass are `12 xx 10^(-6)//°C and 18 xx 10^(-6)//°C` respectively )

A

15 cm

B

5 cm

C

10 cm

D

20 cm

Text Solution

Verified by Experts

The correct Answer is:
C
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