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Two identical plates of different metals...

Two identical plates of different metals are joined to form a single plate whose thickness is double the thickness of each plate. If the coefficients of conductivity of each plate are 2 and 3 respectively, Then the conductivity of composite plate will be

A

5

B

2.4

C

1.5

D

1.2

Text Solution

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The correct Answer is:
B
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ERRORLESS -TRANSMISSION OF HEAT-ET Self Evaluation Test
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