Define what is the importance of valence shell and valence electrons?

1152

---

Why is the grid in a cro provided with a hole in it?

1090

---

Define breakdown voltage.

1042

---

Why r-c filters are suitable only for light loads?

1123

---

Why is space region called the depletion region?

1068

---

Is a hole a fundamental particle in an atom?

1065

---

Define dynamic resistance of a p-n junction diode in forward biased condition.

1111

---

Define what is the effect of removal of bypass capacitor in a ce amplifier circuit?

1204

---

Define what is the main factor for controlling the thermal generation and recombination?

1357

---

What are ‘emitter injection efficiently’ and ‘base transport factor’ and how do they influence the transistor operation?

1155

---

In which bands do the movement of electrons and holes take place?

1391

---

What is intrinsic semiconductor ?

1130

---

What is meant by led?

1097

---

Define what is meant by voltage regulation of a dc power supply?

1125

---

Why silicon type transistors are more often used than germanium type?

1290

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