Home
Class 12
PHYSICS
The constants a and b for the pair silve...

The constants `a and b` for the pair silver-lead are `2.50 muV^@ C^(-1) and 0.012mu V^@ C^(-2)` respectively. For a silver-lead thermocouple with colder junction at `0^@ C`,

A

there will be no neutral temperature

B

there will be no inversion temperature

C

there will not be any thermo-emf even if the junctions are kept at different temperatures

D

there will be no current in the thermocouple even if the junctions are kept at different temperature.

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • THERMAL AND CHEMICAL EFFECT OF ELECTRIC CURRENT

    HC VERMA|Exercise Exercise|24 Videos

  • THERMAL AND CHEMICAL EFFECT OF ELECTRIC CURRENT

    HC VERMA|Exercise Objective 1|8 Videos

  • THE SPECIAL THEORY OF RELATIVITY

    HC VERMA|Exercise Exercise|28 Videos

  • X-Rays

    HC VERMA|Exercise Exercise|27 Videos

Similar Questions

Explore conceptually related problems

Whenever horses a , b , c race together, their respective probabilities of winning the race are 0.3, 0.5, and 0.2 respectively. If they race three times, the probability that the same horse wins all the three races, and the probability that a , b ,c each wins one race are, respectively. a. 8//50 ,9//50 b. 16//100 ,3//100 c. 12//50 , 15//50 d. 10//50 ,8//50

Find the neutral temperature and inversion temperature of copper-iron thermocouple if the reference junction is kept at 0^@ C . Use the data in table.

The temperatures of the junctions of a bismuth-silver thermocouple are maintained at 0^@ C and 0.001^@ C . Find the thermo-emf (Seebeck emf) developed. For bismuth-silver, a = - 46 xx 10^(-6) V^@ C^(-1) and b= -0.48 xx 10^(-6) V^@ C^(-2) .

Find the thermo-emf developed in a copper-silver thermocopule when the junctions are kept at 0^@ C and 40^@ C . Use the data in table.

If the vertices A,B, C of a triangle ABC are (1,2,3),(-1, 0,0), (0, 1,2), respectively, then find angle ABC .

The junctions of a Ni-Cu thermocouple are maintained at 0^@ C and 100^@ C . Calculate the Seebeck emf produced in the loop. a_(Ni, Cu) = 16.3 xx 10^(-6) V^@ C^(-1) and b_(Ni, Cu) = - 0.042 xx 10^(-6) V^@ C^(-3)

A thin prism of crown glass (mu_r=1.515, mu_v=1.525) and a thin prism of flint glass (mu_r=1.612, mu_v=1.632) are placed in contact with each other. Their refracting angles are 5.0^@ each and are similarly directed. Calculate the angular dispersion produced by the combination.

Let A,B,C be angles of triangles with vertex A -= (4,-1) and internal angular bisectors of angles B and C be x - 1 = 0 and x - y - 1 = 0 respectively. If A,B,C are angles of triangle at vertices A,B,C respectively then cot ((B)/(2))cot .((C)/(2)) =

If the angles of elevation of the top of a tower from three collinear points A, B and C, on a line leading to the foot of the tower, are 30^0 , 45^0 and 60^0 respectively, then the ratio, AB : BC, is : (1) sqrt(3):1 (2) sqrt(3):sqrt(2) (3) 1:sqrt(3) (4) 2"":""3