« previous next »

Author Question: A compass needle in a magnetic field experiences A) a torque. B) a net force. C) both of these ... (Read 66 times)

bb

  • Hero Member
  • *****
  • Posts: 544
on: Jul 29, 2018
A compass needle in a magnetic field experiences
 
  A) a torque.
  B) a net force.
  C) both of these
  D) none of the above

Question 2

An iron rod becomes magnetic when
 
  A) opposite ions accumulate at each end.
  B) its atoms are aligned.
  C) the net spins of many internal electrons are aligned.
  D) its electrons stop moving and point in the same direction.


kiamars2010

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t
New Magnetic Cycle New Magnetic Cycle
If the needle drops 1 or 2 inches Hg from the normal reading, one of the engine valves is burned or ... If the needle drops 1 or 2 inches Hg from the normal reading, one of the engine valves is burned or ...
Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ... Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ...
finding the resultant force finding the resultant force
finding resultant for the following force combinations finding resultant for the following force combinations
Video: Parkinson's Disease

For a complete list of videos, visit our video library