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Two conducting rods A and B of same leng...

Two conducting rods A and B of same length and cross-sectional area are connected (i) In series (ii) In parallel as shown. In both combination a temperature difference of `100° C` is maintained. If thermal conductivity of A is 3 K and that of B is K then the ratio of heat current flowing in parallel combination to that flowing in series combination is

A

`(16)/(3)`

B

`(3)/(16)`

C

`(1)/(1)`

D

`(1)/(3)`

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The correct Answer is:
A
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