1.

Two identical conductors made of metals of coefficients of thermal conductivities K_(1), K_(2) such that (K_(1) lt K_(2) )are given Statement (A) : Under series connection the effective coefficient of thermal conductivity (K_(s) )is such that K_(1) lt K_(s) lt K_(2) Statement (B) : Under parallel connection the effective coefficient of thermal conductivity (K_(p)) is such that K_(p) = (K_(1) + K_(2))/(2)

Answer»

A is TRUE B is FALSE
A is false B is true
A,B both are true
A,B both are false

ANSWER :C


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