A and B are two points on a uniform metal ring whose centre is C. The angle $$ACB=$$θ . A and B are maintained at two different constant temperatures. When θ$$=1800$$ , the rate of total heat flow from A to B is $$1.2$$ W. When θ$$=900$$ , this rate will be

Question

A and B are two points on a uniform metal ring whose centre is C. The angle $$ACB=$$θ  . A and B are maintained at two different constant temperatures. When θ$$=1800$$  , the rate of total heat flow from A to B is $$1.2$$ W. When θ$$=900$$ ,  this rate will be

Infinity Learn · Accepted Answer

In  first  case   RAB  when  θ $$=$$ $$180o$$  effective   R $$=$$ $$R4$$             in the second case   RAB when  θ $$=$$ $$900$$  Effective    R $$=$$ $$3R4$$×$$R4R$$ $$=$$ $$3R16Q1Q2=$$ $$R2R1$$ $$=$$ $$3R16R4$$ $$=$$ $$341.2Q2$$ $$=$$ $$34$$     $$Q2$$ $$=$$ $$1.6$$ W

A and B are two points on a uniform metal ring whose centre is C. The angle $A C B = θ$ . A and B are maintained at two different constant temperatures. When $θ = 180^{0}$ , the rate of total heat flow from A to B is 1.2 W. When $θ = 90^{0}$ , this rate will be

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A and B are two points on a uniform metal ring whose centre is C. The angle ACB=θ . A and B are maintained at two different constant temperatures. When θ=1800 , the rate of total heat flow from A to B is 1.2 W. When θ=900 , this rate will be

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Ready to Test Your Skills?

free study material

A and B are two points on a uniform metal ring whose centre is C. The angle $A C B = θ$ . A and B are maintained at two different constant temperatures. When $θ = 180^{0}$ , the rate of total heat flow from A to B is 1.2 W. When $θ = 90^{0}$ , this rate will be