Why does a compass needle get deflected when brought near a bar magnet?

Academic Physics NCERT Class 10

A compass needle gets deflected when brought near a bar magnet because the needle of a compass is a magnet, which experiences a magnetic field exerted by the bar magnet.

Image is posted for reference only

Tutorialspoint

Simply Easy Learning

Updated on: 10-Oct-2022

105 Views

Why does a magnetic compass needle pointing North and South in the absence of a nearby magnet get deflected when a bar magnet or a current carrying loop is brought near it. Describe some salient features of magnetic lines of field concept.
The metallic pointer of a plotting compass gets deflected only when it is placed near a bar magnet because the pointer has:(a) electromagnetism(b) permanent magnetism(c) induced magnetism(d) ferromagnetism
When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.
Can you burn paper when a burning matchstick is brought near it? Why?
What conclusion do you get from the observation that a current-carrying wire deflects a compass needle placed near it?
In a bar magnet, magnetic attraction is ......... near its end.
Fill in the blanks.$(i)$. When a bar magnet is broken; each of the broken part will have _________ pole/poles.$(ii)$. In a bar magnet, magnetic attraction is _____ near its ends.
Why should a magnet not to be kept near the computer?
What is a bar magnet?
Why does a ship float on water but the needle sink?
A compass needle is placed near a current carrying straight conductor. State your observation for the following cases and give reasons for the same in each case :(a) Magnitude of electric current is increased.(b) The compass needle is displaced away from the conductor.
State whether the following statements are true or false:$(i)$. A cylindrical magnet has only one pole.$(ii)$. Artificial magnets were discovered in Greece.$(iii)$. Similar poles of a magnet repel each other.$(iv)$. Maximum iron filings stick in the middle of a bar magnet when it is brought near them.$(v)$. Bar magnets always point towards North-South direction.$(vi)$. A compass can be used to find East-West direction at any place.$(vii)$. Rubber is a magnetic material.
A magnetic compass shows a deflection when placed near a current-carrying wire. How will the deflection of the compass get affected if the current in the wire is increased? Support your answer with a reason.
A magnet attracts iron but it does not attract plastic. Why?
Where are poles of a bar magnet located?

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements