Skip to content
Blog » Answers

Answers

To ask a question, open the forum in the category appropriate for your question.

There are 3 Categories: Ask, Suggest, and Support.

Or, you can quickly ask a question in the General Physics Forum.

Weekly Routine Maintenance is scheduled for every Sunday from 2300 Hrs to 2359 Hrs as per Indian Standard Time. The site may not be accessible during maintenance hours.
Why is the directio...
 
Share:
Notifications
Clear all

Why is the direction of the magnetic field inside a bar magnet from S to N?

   RSS

0
Topic starter

As a convention, the field lines due to a permanent bar magnet have a direction at any point outside the magnet along the direction that a tiny magnetic compass needle shows. Since like magnetic poles repel and opposite poles attract, the compass north, $N_{com}$ always stays in a direction away from the bar north, $N_{bar}$ as long as the compass is outside the bar magnet.

However, if we drill a longitudinal tunnel through the bar magnet and insert our tiny compass, then $N_{com}$ will be towards $N_{bar}$.

Why?

Refer to this figure:
https://cnx.org/resources/c1c1701c5298aadd3138573996e708a9904cf3f1

Share:

Need better answers much faster?

Ads from Sponsors

ThePhysicist

Install ThePhysicist WebApp on your desktop or smartphone for a better learning experience.

X