Three identical rods AB, CD and PQ are joined as shown. P and Q are mid point of AB and CD respectively. Ends A, B, C and D are maintained at `0^(@)C, 100^(@)C,30^(@)C` and `60^(@)C` respectively. The direction of heat flow in PQ is

In the adjacent figure, AC= PR and C, R mid points of AB and PQ respectively.S.T. AB = PQ.

Three conducting rods AB, BC and BO made of same material and same cross section are arranged as shown in the figure. Temperatures at the points A, O and C are maintained at 20^(0)C, 90^(0) C and 0^(0) C respectively. The ratio of lengths of BO to BC when there is no beat flow in AB, is

Two rods of same material and thickness are joined as shown below. The ends X and Y are maintained at X^(@)C and Y^(@)C respectively. The ratio of the heat flow in the two rods is –

A rod CD of thermal resistance 5.0KW^(-1) is joined at the middle of an identical rod AB as shown in figure. The ends A, B and D are maintained at 100^(@)C , 0^(@)C and 25^(@)C respectively. Find the heat current in CD.

A rod CD of thermal resistance 5.0KW^(-1) is joined at the middle of an identical rod AB as shown in figure. The ends A, B and D are maintained at 100^(@)C , 0^(@)C and 25^(@)C respectively. Find the heat current in CD.

A rod CD of thermal resistance 5.0KW_(-1) is joined at the middle of an identical rod AB as shown in figure. The ends A , B and D are maintained at 100^(@)C , 0^(@)C and 25^(@)C respectively. Find the heat current in CD .

Five rods of same material and same cross-section are joined as shown. Lengths of rods ab, ad and bc are l, 2l and 3l respectively. Ends a and c are maintained at temperatures 200^(@)C and 0^(@)C respectivelly. For what length x of rod dc there will be no heat flow through rod bd ?

Five rods of same material and same cross-section are joined as shown. Lengths of rods ab, ad and bc are l, 2l and 3l respectively. Ends a and c are maintained at temperatures 200^(@)C and 0^(@)C respectivelly. For what length x of rod dc there will be no heat flow through rod bd ?

A rod CD of thermal resistance 10.0KW^(-1) is joined at the middle of an identical rod AB as shown in figure. The ends A, B and D are maintained at 200^(@)C , 100^(@)C and 125^(@)C respectively. The heat current in CD is P watt. The value of P is __________.

A rod CD of thermal resistance 5.0KW_(-1) is joined at the middle of an identical rod AB as shown in figure. The ends A, B and D are maintained at 100^(@)C , 0(@)C and 25(@)C respectively. Find the heat current in CD.