=Activity No # 1 - '''Force on a current carring conductor in a magentic field'''=
==Estimated Time==
==Estimated Time==
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20 minutes
==Materials/ Resources needed==
==Materials/ Resources needed==
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#A thick copper wire
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#Lab Stand
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#Connecting copper wires
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#A Horse Shoe magnet
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#Battery
==Prerequisites/Instructions, if any==
==Prerequisites/Instructions, if any==
==Multimedia resources==
==Multimedia resources==
==Website interactives/ links/ simulations==
==Website interactives/ links/ simulations==
==Process (How to do the activity)==
==Process (How to do the activity)==
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A thick copper wire AC suspended at its ends A and C from the support by means of threads in a magentic field B between the poles N and S of a horse shoe magent, with its length AC normal to of the magnetic field lines of the magnet. The ends A and C of the conductor are connected to a rheostat, key and battery. In figure the mangetic field B is in the plane of paper in upward direction.