Why does transfer of heat energy take place between objects?

because energy can never be destroyed, just transferred

Explanation:

Transfer of heat energy take place between objects due to difference in the temperature of the bodies. The transfer takes place so that they can achieve thermal equilibrium.

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what is the question because that is not a question.

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.