Answer Posted / rajnish yadav

Transformer is an electric machine that,


1> transfers electrical energy from one electrical
circuit to another,

2> dose so without a change of frequency,

3> dose soby the principle of electromagnetic induction,

4>has electric circuit that are linked by a common
magnetic circuit.

A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

3053

---

diff b/w elcb and rccb

2346

---

1.What will be stored in online ups EPROM IC?

2097

---

Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?

2215

---

What are the special cables required for explosion proof wiring?

3638

---

whit is 33kv power 300*300 cable full current with formula

1860

---

How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

3320

---

How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)

1763

---

what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

2280

---

why transmission is only 3 phase and not 2 or 4 or poly phases

2183

---

what is magnetizing and demagnetizing current in generator and motor?

3326

---

What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

2240

---

What is the method of estamating of cable, CB,MCB ?

2218

---

what will happen when the dc supply is given to the capacitor?

1583

---

why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

2200

---