Author Question: A horizontal metal bar oriented east-west drops straight down in a location where Earths magnetic ... (Read 78 times)

Pineapplelove6 · **on:** Jul 28, 2018

A horizontal metal bar oriented east-west drops straight down in a location where Earths magnetic field is due north. As a result, an emf develops between the ends. Which end is positively charged?
1.the east end
2.the west end
3.neither end carries a current

Question 2

Two circular loops are side by side and lie in the xy-plane. A switch is closed, starting a counterclockwise current in the left-hand loop, as viewed from a point on the positive z-axis passing through the center of the loop. Which of the following statements is true of the right-hand loop?
1.The current remains zero.
2.An induced current moves counterclockwise.
3.An induced current moves clockwise.