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How is the strength of magnetic field near a straight current-conductor (i) related to the strength of current in the conductor? (ii) is affected by changing the direction of flow of current in the conductor? |
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Answer» (i) The strength of magnetic field around a straight current conductor increases on increasing the strength of current in the conductor or vice versa. (ii)The direction of magnetic field around a straight current carrying conductor gets reversed if the direction of current through that conductor is reversed. |
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