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प्रश्न
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उत्तर
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संबंधित प्रश्न
Draw a diagram to show the magnetic field lines around a bar magnet.
The shape of the earth's magnetic field resembles that of an imaginary:
(a) U-shaped magnet
(b) Straight conductor carrying current
(c) Current-carrying circular coil
(d) Bar magnet
A portable radio has a built-in transformer so that it can work from the mains instead of batteries. Is this a step-up or step-down transformer?
Explain the mechanism of attraction of iron nails by a magnet when brought near them.
What do you meant by the term pole of a magnet? Magnetically speaking, what is the difference between a piece of brass, a piece of soft iron, and a piece of lode- stone?
Draw diagram showing the arrangement of the lines of force for a piece of soft iron laid in line with the magnetic field.
A magnetic needle is kept in a non-uniform magnetic field. It experiences ______.
The direction of the magnetic lines around a current-carrying conductor can be easily understood using the ______ rule.
