Magnets are used in everyday items like refrigerator doors, compasses, and electronic devices such as speakers and hard drives.
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To test if an object is magnetic, bring it close to a known magnet. If it attracts, the object is magnetic.
Magnetic field lines represent the direction and strength of the magnetic field. They show how the magnetic force acts around a magnet.
Yes, magnets can lose their magnetism due to factors like high temperatures, physical shocks, or strong opposing magnetic fields.
Magnetic declination is the angle between magnetic north (indicated by a compass) and true north (geographic north).
To make an electromagnet, wrap a coil of insulated wire around a nail and pass an electric current through the wire.
A compass needle aligns with the Earth’s magnetic field, pointing towards the magnetic north. This helps in determining directions.
A magnetic compass is a device with a needle that aligns itself with the Earth’s magnetic field, showing directions such as north and south.
A magnetic field can be visualized using iron filings, which align along the field lines around a magnet when sprinkled on a sheet of paper.
Magnets attract or repel each other based on their poles. Opposite poles attract, while like poles repel.