Two identical square rods of metal are w...

Two identical square rods of metal are welded end to end as shown in figure (i), 20 calories of heat flows through it in 4 minutes. If the rods are welded as shown in figure (ii), the same amount of heat will flow through the rods in

1 minute

2 minutes

4 minutes

16 minutes

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ERRORLESS -TRANSMISSION OF HEAT-ET Self Evaluation Test

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