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प्रश्न
Distinguish between
Magnetic properties of iron and steel.
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उत्तर
Iron has high susceptibility and low retentivity means it acquires the magnetism faster and removes it soon as well. While , steel has low susceptibility and high retentivity.
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संबंधित प्रश्न
Explain why, two magnetic field lines of not intersect each other.
Which of the following statements is incorrect regarding magnetic field lines?
(a) The direction of magnetic field at a point is taken to be the direction in which the north pole a magnetic compass needle points.
(b) Magnetic field lines are closed curves.
(c) If magnetic field lines are parallel and equidistant, they represent zero field strength.
(d) Relative strength of magnetic field is shown by the degree of closeness of the field lines.
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 :
Several soft iron pins can cling, one below the other, from the pole of a magnet.
Sketch four magnetic field lines as obtained in a limited space on a horizontal plane in the earth's magnetic field alone.
State whether the magnetic field lines in part (a) represent a uniform magnetic field or non-uniform magnetic field?
Repulsion is a surer test of magnetic condition of a body than attraction. Explain.
Complete the following diagram of magnets to show the lines of force.
Magnetic lines of force never ______ each other.
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' |
