Why are heat transfers and electrical conduction similar?

What will be an ideal response?


Heat transfer and electrical conduction both are viewed as exchanges of energy
between adjacent moles or atoms, so that they are similar.

Physics & Space Science

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An ideal, reversible refrigerator keeps food in the freezer portion and dumps excess heat into the kitchen, whose temperature is What is the refrigerator’s coefficient of performance under these conditions?

A. 7.4 B. 4.0 C. 8.4 D. 2.1

Physics & Space Science

A parent pushes a small child on a swing so that the child moves rapidly away while the parent remains at rest. How does the magnitude of the force that the child exerts on the parent compare to the magnitude of the force that the parent exerts on the child?

A. The force on the child is larger in magnitude. B. The force on the parent is larger in magnitude. C. These forces have equal magnitudes. D.The child exerts zero force on the parent. E.There is no way to tell.

Physics & Space Science

One force acting on a falling apple is the apple's weight. Which of the following is the best description of the other member of the "force pair" [of which the apple's weight is one member]?

A) Gravity pulling downward on the apple. B) The force of gravity by Earth pulling upward on the apple. C) The force of gravity by the apple pulling upward on Earth. D) The force of gravity by the apple pushing downward on Earth. E) Air resistance acting upward on the apple.

Physics & Space Science

In x-ray machines, electrons are subjected to electric fields as great as 4.0 × 10^5 N/C. Find an electron's acceleration in this field. (me = 9.11 × 10^-31 kg, e = 1.6 × 10^-19 C)

a. 1.1 × 10^17 m/s2 c. 3.6 × 10^8 m/s2 b. 7.0 × 10^16 m/s2 d. 4.6 × 10^10 m/s2

Physics & Space Science