by Rajan Gupta | Aug 8, 2020 | Articles
Combination of Resistances in Series When two or more resistances are connected end to end so that same current flows through each resistor they are said to be connected in series. So, when some resistances are joined in series, the total resistance of given series of...
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 admin | Aug 8, 2020 | Genetics
Chromosomes mean ‘coloured body’. Chromosomes are thread like bodies which are present in the nucleus of a cell and which becomes visible only during cell division. Chromosomes contain hereditary information of the cell. Chromosomes are made up of DNA (Deoxyribo...
by admin | Aug 8, 2020 | Genetics
The term genetics was first of all coined by biologist William Bateson in 1906. It may be defined as the scientific study of the mechanism of inheritance and the causes of variation in living organisms. Heredity or Inheritance The transmission of characters,...
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...
Recent Comments