Answer Posted / david raj

cmrr is the common mode rejection ratio.it rejects the common
mode signal and the noise is reduced.cmrr=20log(ad/ac). it is
a differential amplifier.

Explain how the active power factor correction changes the wave shape of current drawn by a load to improve the power factor?

1006

---

Explain why a voltmeter should be of very high resistance?

1075

---

Why collector is always reverse-biased w.r.t base?

1219

---

Why does all cellular networks have same shape of sim? Why is it designed in such a particular shape? Does it have any other shape?

1027

---

Please provide details of the following standards :rs-23-c 802.3 x.25 802.11?

1036

---

The ratio of Emissive to absorption power of heat by a body is equal to heat emitted by a perfect black body. Who said the statement

2371

---

What are edge triggered flip flop and level triggered flip flop?

1218

---

Explain what are edge triggered flip flop and level triggered flip flop? How do they differ from one another?

1216

---

What about the year gap criteria for HCL technology?

2229

---

The property of a metal that is determined by the indentation on a metal surface

2164

---

hi i am sushil can anyone send me the previous year question paper for AAI(JR.excecutive,electronics)to my email kingston_s007@yahoo.com

1944

---

what are the basic courses can be done for ece branch?

2024

---

Compare the features of the three transistor configurations.

1214

---

IP based EPABX system

2046

---

What are the types of commutation? (Or) turn off methods?

1073

---