Author Question: Coil A is close to, but not touching, coil B. If a steady counterclockwise 100-A current flows in ... (Read 59 times)

Starlight · **on:** Jul 29, 2018

Coil A is close to, but not touching, coil B. If a steady counterclockwise 100-A current flows in coil A, what can you say about the induced current in coil B?

A) The current in coil B will be equal to 100 A clockwise.
B) The current in coil B will be equal to 100 A counterclockwise.
C) The current in coil B will be counterclockwise and less than 100 A, but not zero.
D) The current in coil B will be clockwise and less than 100 A, but not zero.
E) There will be no induced current in coil B.

Question 2

A certain gas is compressed adiabatically. The amount of work done on the gas is 800 J. What is the change in the internal (thermal) energy of the gas?

A) 800 J
B) -800 J
C) 400 J
D) 0 J
E) More information is needed to answer this question.