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Explain briefly, with the help of circuit diagram, how V - I characteristics of a p-n junction diode are obtained ii
(i) forward bias, and
(ii) reverse bias.
Illustrate the shape of the curves obtained.
(b) A semiconductor has equal electron and hole concentration of 6 x 108 /m3. On doping with certain impurity, electron concentration increases to 9 X1012 /m3.
(i) Recognize the new semiconductor obtained after doping.
(ii) Calculate the new hole concentration
what is wave motion? write its interpretation.
Why is it easy to fuse hydrogen isotopes deuterium and tritium than ordinary hydrogen?
Question: In that piece of a circuit outside of any batteries or power supplies what is it that actually pushes charged particles through the circuit? Answer: By defini
A cheetah can reach a top speed of 27.8 m/s in 5.2 s. What is the cheetah's average acceleration?
Atoms are particles of elements, substances that could not break down further. In examining atomic structure through, we have to clarify this statement. An atom cannot be broken do
calour formed in pure and impure spectrum
What is the net force on a conductor of length l carrying current 'i' when it is situated in a magnetic field of induction B? When is it maximum? State and explain Fleming's l
according to the first law of thermodynamics , obtain the relationship between specific hears of gases
A luminous point object is placed at a depth of 0.5m inside a liquid. A circular patch of light of radius 0.05675 m is prepared on the surface. Determine the critical angle and re
In the following experiment, a constant-pressure calorimeter containing 100 ml of H 2 O is used. The initial temperature of the calorimeter is 24.6 o C. If 18.6 g of CaCl 2 is a
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