The two ends of a metal rod are maintained at temperatures 100^(@)C and 110^(@)C. The rate of heat flow in the rod is found to be 4.0" Js"^(-1). If the ends are maintained at temperatures 200^(@)C and 210^(@)C, the rate of heat flow will be :

The two ends of a metal rod are maintained at temperatures 100^(@)C an

1.	The two ends of a metal rod are maintained at temperatures 100^(@)C and 110^(@)C. The rate of heat flow in the rod is found to be 4.0" Js"^(-1). If the ends are maintained at temperatures 200^(@)C and 210^(@)C, the rate of heat flow will be :
Answer» <html><body><p>`16.8" Js"^(-<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)`<br/>`8.0" Js"^(-1)`<br/>`4.0" Js"^(-1)`<br/>`44.0" Js"^(-1)`</p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :From `H=kA((T_(1)-T_(2))/(<a href="https://interviewquestions.tuteehub.com/tag/l-535906" style="font-weight:bold;" target="_blank" title="Click to know more about L">L</a>))`, <br/> (i) `H_(1)kA((110-100)/(L))` <br/> `H_(1)=<a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a>(kA)/(L)` <br/> (ii) `H_(2)=kA((210-20)/(L))=10(kA)/(L)` <br/> `:.H_(1)=H_(2)` <br/> `:." Js"^(-1)=H_(2)`</body></html>