« previous next »

Author Question: Electromagnetic induction occurs in a coil when there is a change in A) electric field intensity ... (Read 60 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
« previous next »
 

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Rate of Residential Change, Past Year, in the United States Rate of Residential Change, Past Year, in the United States
Population Growth and Change Population Growth and Change
Global Climate Change Global Climate Change
Climate Change: Volcanoes Climate Change: Volcanoes
Tree rings as indicators of environmental change Tree rings as indicators of environmental change
Climate change is an important vector for human diseases Climate change is an important vector for human diseases
Video: Stress and Immune System Animation

For a complete list of videos, visit our video library