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(b) The direction of magnetic field produced by a straight current carrying conductor can be obtained by using Maxwell’s Right-hand thumb rule. It states that : Imagine that you are holding the current carrying wire in your right hand so that your thumb points in the direction of current, then the direction in which your fingers encircle the wire will give the direction of magnetic field lines around the wire.

(c)

or

(a) State Fleming’s Right Hand Rule.
(b) (i) Name the electric device that converts mechanical energy into electrical energy.

Science 2008 Question Papers Class X
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