Answer Posted / hrs

It is due to loading effect..if load is not connected to ckt
then current will not flow through it so input impedance
will not come in picture...

at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

2117

---

What is the numerical quantity of sqcm?

2016

---

what is the VA(Volt-amphere)? define with calculation?

1274

---

explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

4547

---

What happen in ups if phase reverse?

2277

---

What are n circles?

1082

---

I am EEE student i want to improve my core side skills.how cn i approach it?

2515

---

Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

1134

---

What is EMC filter in VVVF Drive ?

2724

---

List some examples of renewable energy?

1188

---

If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

1404

---

how oti and wti connections are different from each other?

2062

---

If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

2188

---

Q: How to calculate Transformer losses , tell us by Formula.

2066

---

any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

1667

---