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प्रश्न
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संबंधित प्रश्न
If you hold a coil of wire next to a magnet, no current will flow in the coil. What else is needed to induce a current?
Explain the following :
When two pins are hung by their heads from the same pole of a magnet, their pointed ends moves apart.
Select the correct option:
The magnetic strength of a bar magnet is:
State any two properties of a magnet.
What are the properties of a magnet?
A student fixes a white sheet of paper on a drawing board. He places a bar magnet in the centre and sprinkles some iron filings uniformly around the bar magnet. Then he taps gently and observes that iron filings arrange themselves in a certain pattern.
- Why do iron filings arrange themselves in a particular pattern?
- Which physical quantity is indicated by the pattern of field lines around the bar magnet?
- State any two properties of magnetic field lines.
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' |
"Magnetic field is a physical quantity that has both direction and magnitude." How can this statement be proved with the help of magnetic field lines of a bar magnet?
