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प्रश्न
Complete the following diagram of magnets to show the lines of force.
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उत्तर
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संबंधित प्रश्न
The magnetic field inside a long straight solenoid carrying current ______.
The wire in Figure below is being moved downwards through the magnetic field so as to produce induced current.
(a) moving the wire at a higher speed?
(b) moving the wire upwards rather than downwards?
(c) using a stronger magnet?
(d) holding the wire still in the magnetic field?
(e) moving the wire parallel to the magnetic field lines?
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?
What is a natural magnet? State two limitations of a natural magnet.
Define the isoclinic line.
Repulsion is a surer test of magnetic condition of a body than attraction. Explain.
State whether true or false. If false, correct the statement.
Magnetic field lines always repel each other and do not intersect.
The magnetic field lines are stronger near the ______ and it diminishes as you go away from it.
Assertion (A): Magnetic field lines never intersect each other.
Reason (R): If they intersect, then at the point of intersection, the compass needle would point towards two directions, which is not possible.
