by Rajan Gupta | Aug 8, 2020 | Articles
A colloid is a heterogeneous mixture. The size of particles of a colloid is too small to be individually seen by naked eyes. They do not settle down when left undisturbed, that is, a colloid is quite stable. The particles of a colloid are uniformly spread throughout...
by Rajan Gupta | Aug 8, 2020 | Articles
The magnetic effect of current was discovered by H.C. Oersted in 1820. He observed that flow of electric current through a conductor produce a magnetic field around it. The magnetic effect of current can be demonstrated by doing following experiment. Experiment to...
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