D. Answer the following. In short,
Give two examples each of magnetic and non magnetic substances,
How does the strength of a magnet change along its length
3. If a bar magnet is placed over iron filings, where will the attraction of the iron filings be the
a maximum b. minimum
4. Define the following terms regarding a bar magnet.
a. Magnetic axis
b. North pole
. South pole
5. Why is it not possible to isolate a single magnetic pole?
6. Name a few common appliances that use magnets.
d. Magnetic field
Answers
Explanation:
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1- Magnetic:- Iron,Cobalt.
2-Non-magnetic:- Plastic and Leather.
3-The maximum strength of attraction will be on poles and the minimum attraction will be at the centre of the bar magnet.
4-(a)The straight line joining the two poles of a magnet (as the magnetic poles of the earth).
(b)The note seeking side of the magnet is called North Pole and the South seeking side of the magnet is known as South Pole.
5-it is actually impossible to separate the magnetic poles of the magnet because it does not exist in monopole
6-Fridge door,Speakers etc..
That must be enough, if God wills