Answer / krishna kant kamal

The distribution of current throughout the
cross-section of a conductor is uniform only when DC
is passing through it. on the contrary when AC is
lowing through a conductor, the current is non-uniformly
distributed over the cross-section in a manner that
the current density is higher at the surface of the
conductor compared to the current density at its centre.
This effect becornes more pronounced as frequency is
increased. This phenonlenon is cilled stir qffect.It
causes larger power loss for a given rms AC than the
loss when the Same vaiue of DC is flowing ihrough the
conciuctor. Consequently, the effective conductor
resistance is more for AC then for DC

Answer / risandha

AC has more lossess

Answer / vicky

tat s not stir effect.. tat s called as skin effect.. AC has more losses...

Answer / sunil parmar

IN DC SYSTEM CURRENT DISTRIBUTION IS UNIFORM COMPARED TO AC,SO AC HAS MORE LOSSES.

WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK

1 Answers  

---

What are the Application of CT & PT ?

2 Answers  

---

What is resistance of 50meters, 16sq.mm, single core copper cable?

0 Answers  

---

is the power of a single phase induction motor(Fans) is constant under varying speeds?

4 Answers  

---

What is time invariant system?

0 Answers  

---

What is the impact of MCCB & MPCB on Distributed Control System?

6 Answers  

---

Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more

3 Answers  

---

What is required of exietation to the alternater.

4 Answers  

---

What is sink and source?

0 Answers  

---

what is full form of google

5 Answers   IBM,

---

Is it possible to connect a dYN1 transformer in parallel with a YNd11 transformer.

4 Answers  

---

How we can design a cable for a 3phase load.

3 Answers  

---