Answer / dilli babu

tungstun having high resistance.In tungstun bulb the tungstun is made into a conductor of very small area of cross section. due to the small are of cross section, the resistance will be increased. that too that small conductor is made into a small spiral to increase the length of conductor.

Whenever the cuurrent flows through the conductor there will be a eddy current loss. this eddy current loss dissipated in the form of heat. Due to the low area of cross section in the tungtun filament resistance is high. So the flow of the current is opposed and the eddy current also increased. So the filament becomes heat and the heat leads to gives the illumination.

Answer / mynightwatch

its based on Einsteins photoelectric effect

Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

0 Answers  

---

We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.

0 Answers  

---

What are the Safety measures in central chiller plant? Explain them?

22 Answers   Carrier, CPIC, HSL, JLL,

---

What is the meaning of dsl line in eot crane , and why it is Called down shop lead ? Pls tell exact answer.

3 Answers  

---

what is relation between HP & BHP

3 Answers   Usha Martin,

---

in 3 phase (4 wire) star connection - is current pass through neutral??

7 Answers  

---

why cannot we use a freuency more than 400hz is used in aircrafts?

1 Answers  

---

Please describe HT and LT?

1 Answers  

---

What is basic impulse insulation level? And how it is calculated for sub- station?

2 Answers  

---

What is burden of ct,explain very simple

2 Answers   KSEB,

---

why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?

1 Answers   NPCIL,

---

What is the basic principle of welding process?

0 Answers  

---