Author Question: A bar magnet is falling toward the center of a loop of wire, with the north pole oriented downward. ... (Read 51 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
A bar magnet is falling toward the center of a loop of wire, with the north pole oriented downward. Viewed from the same side of the loop as the magnet, as the north pole approaches the loop, what is the direction of the induced current?
  1.clockwise
  2.zero
  3.counterclockwise
  4.along the length of the magnet

Question 2

The figure below is a graph of the magnitude B versus time for a magnetic field that passes through a fixed loop and is oriented perpendicular to the plane of the loop. Rank the magnitudes of the emf generated in the loop at the three instants indicated from largest to smallest.
 
  1. c > b > a
  2. a > b > c
  3. b > c > a
  4. b > a > c



apple

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

3

Answer to Question 2

3



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

For a complete list of videos, visit our video library