Chapter 18 - Electronics - 2


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




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



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




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




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




10. A trivalent impurity is




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




12. The central region of a transistor is called




13. The number of junctions in a transistor is




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




15. Phosphorus belong to




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







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