plz provide me all previous HPCL examination papers of electronics and communication branch.

0 Answers   HPCL,

---

Why is transistor called a current controlled device ?

0 Answers  

---

List the materials used for manufacturing pcb

0 Answers  

---

Define what is meant by operating point?

0 Answers  

---

To build a MOD17 counter then how many flip flops are required?

3 Answers   HCL,

---

---

What is meant by k-map or karnaugh map?

0 Answers  

---

can any one help me out by posting something related to rvnl interview for site engineer electronics (S & T).? what is the procedure? what type of question they generally ask? how long the interview goes for one candidate? and any tips ??

0 Answers  

---

how pwm signals generated????

0 Answers  

---

What is a comparator?

0 Answers  

---

What is race around condition in a jk flipflop?

0 Answers  

---

What are Rectifiers and what is the use of it?

25 Answers  

---

Explain why are the 2 input terminals of an op-amp are called as inverting & non-inverting terminals?

0 Answers  

---