It is not possible to make a spherical conductor of capacity 1 Farad. Explain.

Observe the relationship between the first two terms and fill in the blanks. Capacitance of an isolated spherical conductor: C = 4piepsilon_0r Capacitance of the parallel plate capacitor :___________.

Acceleration is defined as the rate of change of velocity. Is it possible for a body to have acceleration without velocity?Explain.

Tissue culture is a fast and efficient system for crop improvement. Scientists in a research institution want to produce a hybrid of potato and tomato. Is it possible to make such a hybrid? If possible, explain how.

Mercury drops are spherical in shape . a) Which property is responsible for the spherical shape of drops? Explain the property.

Write the reasons of followings: a) Aluminium is a very good reducing agent. b) Copper is a better conductor of electricity. But aluminium is widely used for making electric wires. c) Alumina is dissolved in molten cryolite at the time of electrolysis.

You are given 3 capacitors of capacities 3 muf , 2 muf , 1 µf You have to make a capacitors of capaci- tance less than 1 muf : Write an expression for effective capacitance of the above combination and verify the result