Do an activity of force acting on a current carrying conductor placed in a magnetic field perpendicular to the magnetic field. Give principle, construction, diagram and working of electric generator based on your syllabus.
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1. Why does a compass needle get deflected when brought near a bar magnet?
Ans. A compass needle is a small bar magnet with north and south pole. The compass needle deflects due to repulsion/attraction with the bar magnet.
2. Draw magnetic field lines around a bar magnet.
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3. List the properties of magnetic lines of force.
Ans. Properties of magnetic field lines of force: (i) Magnetic field lines travel from N-pole of magnet towards 5-pole, outsid
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