Three rods made of the same materail and having same cross-section area but diferent length 10 cm, 20 cm and 30 cm are joined as shown. The temperature of the junction is

Three rods made of the same material and having same cross-section area but different length 10 cm, 20 cm and 30 cm are joined as shown. The temperature of the junction is

Three rods of same material, same area of cross section but different lengths 10 cm, 20 cm and 30 cm are connected at a point as shown. What is temperature of junction O?

Four rods of same material and having the same cross section and length have been joined, as shown. The temperature of the junction of four rods will be :

Three rods of same material and of equal cross sectional area and length have been connected together as shown in the figure. The temperature of the junction of the rods approximately is

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

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 .