The working principle of a washing machine is
On which day ' National Science Day ' is celebrated in India ?
National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir Chandrashekhara Venkata Raman on 28 February 1928.
The capacity of a pure capacitor is 1 farad. In D.C circuit, its effective resistance will be
A convex mirror is used to form an image of a real object. The image
The quality of sound produced by an instrument depends on the
In the electrical circuit of a house, the fuse acts as
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