A is true but R is false. When current increases in a conductor, the magnetic field becomes stronger. This causes a greater deflection of the compass needle, not a decrease. Thus, assertion is false, while the reason is scientifically ...
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A is true but R is false. When current increases in a conductor, the magnetic field becomes stronger. This causes a greater deflection of the compass needle, not a decrease. Thus, assertion is false, while the reason is scientifically ...