In Which System Is Heat Usually Transferred from the Cooler

question 66

Multiple Choice

In which system is heat usually transferred from the cooler part to the warmer part?

• A)a stove as it heats up water
• B)a refrigerator that is running
• C)an electric fan that is running
• D)none of the above,because it is impossible to transfer heat in this manner

---

Definitions:

System of Equations

A set of two or more equations that share two or more unknowns.

Coefficient

A numerical or constant factor before and multiplying the variable in an algebraic expression.

System of Equations

A set of two or more equations with the same variables, which are solved simultaneously to find their common solution.

Coefficient

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.