10 raised to the power (-12)
10 raised to the power (-9)
10 raised to the power (-3)
10 raised to the power (-6)
One of difficulties encountered with super-conductors is
One should not connect a number of electrical appliances to the same power socket because
One Torr is equivalent to how many mm of Mercury?
One watt-hour is equivalent to
Open circuit test on transformer measures
Optic fibres are mainly used for which of the following?
Optic Fibres are used for which of the following?
Optical fiber works on the principle of
Optical fibers are hair-thin tubes of special glass and light can pass through them from end to end. Their special property is that light continues to travel through them even when they are bent. Which property of light underlies this phenomenon ?
Optical Fibre technology works on which of these principles of Physics?