Chapter 18 - Electronics - 5


Physics Class 10
1. In conductors ______ are present in a very large quantity.


Physics Class 10
2. Crystal of pure germanium or silicon behaves as ______ at low temp.


Physics Class 10
3. The process of adding a trivalent or pentavalent impurity to pure Si or Ge is called ______.


Physics Class 10
4. If a pentavalent impurity is added to pure Si or Ge then the substance is called ______ material.


Physics Class 10
5. The potential difference between P & N type which does not allow the electrons to cross the junction is called ______.


Physics Class 10
6. The p-part of N-Junction is called ______.


Physics Class 10
7. A semi conductor diode is ______ if p-type is connected to positive terminal and N-type is connected to negative terminal of the battery.


Physics Class 10
8. In reverse bias, the width of ______ increases.


Physics Class 10
9. The process of converting AC into DC is called ______.


Physics Class 10
10. Emitter-Base junction of a transistor is ______ biased.


Physics Class 10
11. such things which can have only two possible states are know as______.


Physics Class 10
12. The circuit designed to implement various logic operations are known as______.


Physics Class 10
13. OR operation connects two switches A & B in ______combination.


Physics Class 10
14. A______ is used as amplifier.


Physics Class 10
15. In NOR-gate the output of OR gate is coupled with a ______ gate.





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