Three rods made of same material and having the same cross-section have been joined as shown. In the figure.Each rod is of the same length. The left and right ends are kept at `0^@C and 90^@C` respectively. The temperature of the junction of the three rods will be

Three rods made of the same material and having the same cross-section have been joined as shown in the figure. Each rod is of the same length. The left and right ends are kept at 0^@C and 90^@C , respectively. The temperature of junction of the three rods will be (a) 45^@C (b) 60^@C (c) 30^@C (d) 20^@C .

Three rods made of the same material and having the same cross-section have been joined as shown in the figure. Each rod is of the same length. The left and right ends are kept at 0^@C and 90^@C , respectively. The temperature of junction of the three rods will be (a) 45^@C (b) 60^@C (c) 30^@C (d) 20^@C .

Three rods made of the same material and having the same cross-section have been joined as shown in the figure. Each rod is of the same length. The left and right ends are kept at 0^@C and 90^@C , respectively. The temperature of junction of the three rods will be (a) 45^@C (b) 60^@C (c) 30^@C (d) 20^@C .

Three rods made of the same material and having the same cross-section have been joined as shown in the figure. Each rod is of the same length. The left and right ends are kept at 0^@C and 90^@C , respectively. The temperature of junction of the three rods will be (a) 45^@C (b) 60^@C (c) 30^@C (d) 20^@C .

Three rods made of same material and having the same cross-section have been joined as shown in fig. each rod is of the same length. The left and the right ends are kept at 0^(@)C and 90^(@)C respectively. What will be the temperature of the junction of the three rods?

Three rods made of same material and having same cross-section have been joined as shown in Fig. 7(e).18. Each rod is of the same length. The left and the right ends are kept at 0^(@)C and 60^(@)C respectively. What is the temperature of the junction of the three rods.

Three rods are made from the same material and having the same cross-sectional area and length have been joined as shown in the figure. The left end and right end are kept 0^@C and 100^@C , respectively . The temperature of the junction of three rods will be

Three rods are made from the same material and having the same cross-sectional area and length have been joined as shown in the figure. The left end and right end are kept 0^@C and 100^@C , respectively . The temperature of the junction of three rods will be