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प्रश्न
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संबंधित प्रश्न
Name four appliances which work using electricity ?
What is the magnetic induction? Explain with the help of a diagram.
Answer the following in short.
What is a magnet? Differentiate between natural and artificial magnets.
Define the following term regarding a bar magnet:
Effective length
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Why are E and F placed in contact with the poles of the magnets as shown in the diagram?
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
Define the following term:
Angle of dip
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
What will happen when we place magnets near cell phones, computers, and DVDs?
Define natural magnet.
