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प्रश्न
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उत्तर
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संबंधित प्रश्न
The strength of the magnetic field between the poles of an electromagnet would be unchanged if:
The magnetic field inside a long straight solenoid carrying current ______.
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?
Draw magnetic field lines produced around a current-carrying straight conductor passing through cardboard. Name, state and apply the rule to mark the direction of these field lines.
Answer the following question.
Draw the pattern of magnetic field lines of
(i) a current-carrying solenoid and
(ii) a bar magnet.
List two distinguishing features between the two fields.
Complete the following diagram of magnets to show the lines of force.
Distinguish between
Magnetic properties of iron and steel.
If the key in the arrangement is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are
Define magnetic field lines of force.
