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ENERGY LEVELS
The energy levels, measured in electron volts (e.v.) in which orbiting electrons exist comply with a law of physics which states that energy can be given to electrons only in discrete amounts (quanta) which means that there are energy values that an electron cannot acquire. From this it can be deducted that there is a forbidden energy gap between each of the allowed energy bands K to O.
The width of the forbidden energy gap between the top of the valence band and the bottom of the conduction band determine the electrical conducting properties of materials.
What is a P-N junction? How does it behave under forward and reverse bias? Describe with the help of circuit diagrams.
Write the mathematical relation among mobility and drift velocity of charge carriers in a conductor. Name the mobile charge carriers responsible for conduction of electric curre
Explain the formation of newton ring
Penetration power of proton is: (1)More than electron (2)Less than electron (3)More than neutron (4)None Ans:(2)Less than electron
Deduce an expression for the electric potential because of an electric dipole at any point on its axis. Mention one contrasting feature of electric potential of a dipole at a point
Give the basic construction of pentode Ans: Construction of Pentode: Constructional details of a typical pentode are demonstrated in fig. (a) and fig. (b) Pentode comp
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in water equivalent how the temperature or water and solid equal?
Here's what is given: A. There are three 1 meter sticks B. There are four weights: Weight #1 = 1kg Weight #2 = 1.2kg Weight #3 = 1.5kg Weight #4 = 2kg The sticks don't hav
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