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Mg(OH)2 attains a colour on precipitation in presence of magnesom reagent due to
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Mg(OH)2 attains ___ colour on precipitation in presence of magnesom reagent
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Time period of a charged particle moving in magnetic fields is independent of
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Magnetic field due to a circular coil of radius R on the axis of coil is max at r
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Magnetic field at the centre (r=0) of toroid of circumference r
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In a solenoid of magnetic field B if number of turns is halfed and length is doubled than new B’ =
