Author Question: Electromagnetic induction occurs in a coil when there is a change in A) electric field intensity ... (Read 34 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
Electromagnetic induction occurs in a coil when there is a change in
 
  A) electric field intensity in the coil.
  B) magnetic field intensity in the coil.
  C) electromagnetic polarity.
  D) none of the above

Question 2

When a bar magnet is thrust into a coil of copper wire, the coil tends to
 
  A) attract the magnet as it enters.
  B) repel the magnet as it enters.
  C) both of these
  D) neither of these



Anton

  • Sr. Member
  • ****
  • Posts: 302
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

For a complete list of videos, visit our video library