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संबंधित प्रश्न
What is a magnetic field? How can the direction of magnetic field lines at a place be determined?
A charged particle enters at right angles into a uniform magnetic field as shown:
What should be the nature of charge on the particle if it begins to move in a direction pointing vertically our of the page due to its interaction with the magnetic field?
A portable radio has a built-in transformer so that it can work from the mains instead of batteries. Is this a set-up or step down transformer?
Explain the mechanism of attraction of iron nails by a magnet when brought near them.
A battery can supply a charge of 25 × 104 C. If the current is drawn from battery at the rate of 2.5 A, calculate the time in which battery will discharge completely.
How do you account for the following fact?
Soft iron keepers help to prevent the magnets from losing their magnetic properties.
The magnetic field lines always begin from ____________.
A magnetic needle is kept in a non-uniform magnetic field. It experiences ______.
When the conductor is perpendicular to the magnetic field, the force will be the ______, When it is parallel to the magnetic field, the force will be ______.
State the inference drawn about the direction of the magnetic field lines on the basis of the following diagrams.
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| Figure 'a' | Figure 'b' |
