Answer / ankamsreekar

Transistor is 3 terminal 3 layer semi conductor device used
for amplification and switching applications.

Thermistor is a device in which the resistance is varies
with the temperature variation. they are used to protect the
electrical machines / windings by sensing temperature. these
are made up of metal oxides. they are non linear in nature.

Thyristor is 3 terminal 4 layer semi conductor device used
for switching applications.

how give earthing conection to household equipment?

0 Answers  

---

how df/dt relay operates & how it works?

1 Answers  

---

What is the difference between body earthing and neutral earthing?

2 Answers  

---

if a bird sits on the service wire it didn't get shock then why the human get shock when he touches it(assume that human is not on the ground and any object i.e. in space)?

5 Answers  

---

How to increase the specific gravity of DG batteries?

12 Answers   SCS,

---

---

what is the transformer efficiency?

5 Answers  

---

What will be the output of an alternator ,if the field current is single phase ac supply.

1 Answers   DRDO,

---

HOW TO MEASURE AC VOLTAGE BY USING GALVANOMETER?

1 Answers  

---

In what condition the HT fuse breakes?

0 Answers  

---

difference between earthing and grounding?

2 Answers   ABB, Bharti, L&T,

---

Why are tertiary windings used in transformers?

2 Answers  

---

is there any current and voltage drop on liquid resistance starter water/soda tank ?

0 Answers  

---