Why are neutrons considered as ideal particles for nuclear fission reactions ? Calculate the energy released in the following nuclear reaction.
1H2 + 1H2 →2H4 +energy
(mass of 1H2 = 2.014102 u, mass of 2He4 = 4.002604 u).
Light emitting diode is forward biased p-n junction, used to convert the biasing electrical energy into optical energy.
When an electron, in conduction band, makes a transition to the valence band, recombine with the holes, energy equal to band gap is released.
For a GaAs diode energy released is in infra-red region.
(i) With proper labelling of the axis, draw the input and output characteristic curves of a npn transistor in common emitter configuration.
(ii) Define current gain for a transistor in common emitter configuration.