If we increase the thickness of insulation of a circular rod, heat loss to surrounding due to


Convection and conduction increases


Convection and conduction decreases


Convection decreases while that due to conduction increases


Convection increases while that due to conduction decreases

Answer: (d).Convection increases while that due to conduction decreases

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Q. If we increase the thickness of insulation of a circular rod, heat loss to surrounding due to

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