Describe the ways in which Eddy currents are used to advantage.

What are Eddy currents ?

Describe the method, which can be used to separate two compounds with different solubilities in a solvent S.

(A): If changing current is flowing through a machine of iron eddy currents are produced (R): Change in magnetic flux through an area causes eddy currents

Describe the tissue culture. technique and, what are the advantages of tissue culture over conventional method of plant breeding in crop improvement programmes ?

Describe how the teeth of a duck are useful to get food.