EASY
Earn 100

A magnetic is a device, which is used to find directions with the help of a magnetised needle.

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Important Questions on Exploring Magnets

EASY
Science>Physics>Exploring Magnets>Finding Directions
Calculate the number of electrons constituting one coulomb of charge.
MEDIUM
Science>Physics>Exploring Magnets>Finding Directions
A body has a negative charge of 1 μc. It means the body has gained:
MEDIUM
Science>Physics>Exploring Magnets>Finding Directions
What is a magnetic compass? What is its use?
EASY
Science>Physics>Exploring Magnets>Finding Directions
A _____ is a device used to find directions.
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Science>Physics>Exploring Magnets>Finding Directions
There are no markings on the body of a bar magnet to indicate its poles. How would you find its north pole?
EASY
Science>Physics>Exploring Magnets>Finding Directions
The property by which a magnet always rests in a north-south direction. (Directive/Attractive)
MEDIUM
Science>Physics>Exploring Magnets>Finding Directions

Explain the term.

North and south poles of a magnet.

HARD
Science>Physics>Exploring Magnets>Finding Directions
A freely suspended magnet always points towards a particular direction. Which direction is this? Explain the reason for this behaviour of a magnet.
EASY
Science>Physics>Exploring Magnets>Finding Directions
Why does a freely suspended magnet point in the north-south direction?
MEDIUM
Science>Physics>Exploring Magnets>Finding Directions
Find out and explain the usefulness of a compass in finding directions.
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Science>Physics>Exploring Magnets>Finding Directions
Before the invention of a compass, sailors used stars to find direction. In what way is using compass better?
HARD
Science>Physics>Exploring Magnets>Finding Directions
Write down the property of magnets using which directions can be found. Prove this property with the help of an activity. 
EASY
Science>Physics>Exploring Magnets>Finding Directions
A device based on the directive property of the magnet. (Choose from : Magnetic compass or Sun-dial).
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Science>Physics>Exploring Magnets>Finding Directions

Explain the term:

Compass

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Science>Physics>Exploring Magnets>Finding Directions

The pole of a magnet pointing north.

(Choose from: North pole / South pole)

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Science>Physics>Exploring Magnets>Finding Directions
A freely suspended bar magnet comes to rest in the
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Science>Physics>Exploring Magnets>Finding Directions
What is a magnetic compass? 
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Science>Physics>Exploring Magnets>Finding Directions
A magnetic compass is a device which is widely used by the sailors.
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Science>Physics>Exploring Magnets>Finding Directions

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

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

MEDIUM
Science>Physics>Exploring Magnets>Finding Directions
How will you prepare your own magnetic compass?