The heat developed in a system is proportional to the current through it.
(a) It cannot be Thomson heat.
(b) It cannot be Peltier heat.
(c) It cannot be Joule heat.
(d) It can be any of the three heats mentioned above.
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(c) It cannot be Joule heat.
Explanation:
- Joule heat is proportional of directly to the current square which passes via the resistor. Peltier heat is proportional of directly to the current that passes the junction.
- Thomson heat is proportional of directly to the current that passes through the wire part, too. Thus, either Peltier heat or Thomson heat can be the heat that formed. Yet Joule heat can't be this.
Therefore (C) it can’t be joule heat is the correct option .
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