Answer Posted / manoj

optical fiber losses-

1.Attenuation(1.absorption 2.scattering)
2.Dispersion
3.Microbending
4.Macrobending or Curvature losses
5.Cladding effects

What will happen if we change the polarity of microwave antenna?

2043

---

What is a p-n junction diode?

1028

---

what is a static variable...wht is the size when u give sizeof(struct)

2133

---

please send previous years question papers of JuniorEngineer (ELectronics)in RRB.

1967

---

Explain why the shape of op-amp is triangular not other shape?

970

---

How bjt can be used as an amplifier.

1085

---

What is the E1 & OmuSig?

5360

---

In a mosfet, what does the pinch off voltage refers to?

919

---

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

1111

---

What is a schmitt trigger?

1063

---

Explain how zener diode maintains constant voltage across the load?

972

---

What is forced commutation?

1056

---

Alcatel&Lucent Bts

2089

---

Differentiate between intrinsic semiconductors and intrinsic semiconductors?

983

---

What frequency bands are used in satellite communication?

1057

---