Question

Material which observes negative Thomson effect is a) Silver b) Zinc c) Cadmium d) Cobalt​

Answer 1

Answer:

The metals which show negative Thomson's effect are Fe, Co, Bi, Pt, Hg, etc. Consider an Iron bar AB heated in the middle at the point C and current flowing in the direction from point A to the point B in figure 2.29

Explanation:

Silver

Answer 2

Material which observes negative Thomson effect is Cobalt (option d)

• When a current travels over a conductor that is roughly heated, heat is immersed or evolved in the conductor's body. The Thomson effect is the name for this phenomenon.

• The hot end is at a deep quiescent and the cool end is at a higher potential in the negative Thomson effect.  

• When current runs from the colder end to the hotter end, heat is emitted, and when current flows from the hotter end to the colder end, heat is absorbed. Fe, Bi, Co, Hg, Pt, and other metals exhibit negative Thomson's effects.

• A section at a surpassing temperature has less potential than a portion at a lessened temperature for metals including cobalt, platinum, Bismuth, and nickel. When a current moves from a location with a surpassing temperature to a point with a lessened temperature, heat energy is absorbed.