Chapter 18 - Electronics - 2

Physics Class 10
1. When diode is forward biased, the width of its depletion region increases.


2. Central region of the transistor is known as base.


3. The operation in which outputs has value 1 when at least one of its inputs is at 1.


4. Ordinarily electricity is provided to us in the form of direct voltage.


5. A and B are the two inputs of a NOR gate. Its output would be 1 when




Physics Class 10
6. Atomic number of Silver is 47. The number of its valence electrons would be



Physics Class 10
7. In N-type crystal, the majority carriers are




Physics Class 10
8. The output of an OR gate would be 0 when




Physics Class 10
9. The current in the p type material is due to




Physics Class 10
10. A trivalent impurity is value="a" id="10aq" onClick="Touch(this,10,id,1,0)">


Physics Class 10
11. A pentavalent impurity doped into pure Ge and Si, makes it a




Physics Class 10
12. The central region of a transistor is called




Physics Class 10
13. The number of junctions in a transistor is




Physics Class 10
14. The device used for converting A.C into D.C is known as




Physics Class 10
15. Phosphorus belong to




Physics Class 10
16. The number of valence electrons in the Ge or Si atoms is




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