EASY
Earn 100

Towards which direction does the North end of a freely suspended magnet points at?

 

33.33% studentsanswered this correctly

Important Questions on Attraction and Repulsion

EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet

Write three main characteristics of a magnet.

MEDIUM
Science>Physics>Attraction and Repulsion>Properties of a Magnet
A square loop of side 2a, and carrying current I is kept in XZ plane with its centre at origin. A long wire carrying the same current I is placed parallel to the z-axis and passing through the point (0, b, 0),(b>> a). The magnitude of the torque on the loop about z-axis is given by.
MEDIUM
Science>Physics>Attraction and Repulsion>Properties of a Magnet
If there are no markings on a bar magnet how will you find out at which ends the north pole and the south pole are located?
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
What kind of poles attract and what type of poles repel each other?
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
Can a magnetic north pole exist without a magnetic south pole?
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
Bar magnet should be stored in pairs. 
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
The poles that repel each other are
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
A magnet produced by passing an electric current through a coil of insulating wire wound around a soft iron is called _____.
(Permanent magnet/ electromagnet)
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet

What is the correct way of storing a 

(i) bar magnet  (ii) horseshoe-shaped magnet  

EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
If the magnet is rolled over iron filings, the filings will get mostly attracted
MEDIUM
Science>Physics>Attraction and Repulsion>Properties of a Magnet
Describe how a piece of iron can be magnetised.
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
A magnet has two poles.
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
Why should we keep magnets away from mobiles, televisions, CDs, computers, etc?
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
One precaution you should always take while handling a magnet is not to drop it. Why?
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
How do you show experimentally that power of a magnet is strongest at its ends?  
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
What happens when a magnet is heated?
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
A magnet may lose its properties on heating.
MEDIUM
Science>Physics>Attraction and Repulsion>Properties of a Magnet
Two south poles _____ each other.
EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet

(a) Name two magnetic poles which attract each other.

(b) Name two magnetic poles which repel each other.

EASY
Science>Physics>Attraction and Repulsion>Properties of a Magnet
What happens when we increase the number of turns in a solenoid?