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Q Define: self inductance.
The coefficient of self induction of a coil is numerically equivalent to the opposing emf induced in the coil when the rate of change of current through the coil is unity. The unit of a self inductance is henry (H).
Why is the mass of a nucleus always less than the sum of the masses of its constituents, neutrons and protons? If the total number of neutrons and protons in a nuclear reaction
Working of terrestrial telescope
Static electricity: If electrons are removed from one material and placed on another, or if they are moved from one region of a piece of material to another, we have a separati
Fibre optics: Light travels in straight lines, even though lenses and mirrors can deflect it, light still travels in a straight line between optical devices. This is fine for
Cermets are a hybrid mixture of ceramic and metal. These are made by screening a mixture of glass and metal oxide on to a ceramic substrate. It is then fired at a temperature high
A mirror cleaned with an alcohol solution is slightly colder right after it is cleaned. Why?
A transformer has 124 turns on the primary coil and 18,600 turns on the secondary coil. a. Is this a step-down or a step-up transformer? step-up transformer
An open platform elevator is moving down a mine shaft.After the elevator has travelled 25m [from the top of the shaft]a stone is dropped from the top of the shaft .Find time taken
"The volume of needed mass of gas at fixed pressure is directly proportional to the Kelvin's temperature of the gas".
A rocket weighs 9800N. What applied force gives it a vertical acceleration of 4m/sec/sec?
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