Interested to Buy Any Domain ? << Click Here >> for more details...
Relation between Sq.mm of wire and Its current carrying
capacity?
- 5 Answers
- 19074 Views
- I also Faced
- E-Mail Answers
Answer Posted / k.a.sharma
Current carrying capacity is given by
I = (V*a)/(r*l)
I = Current carrying capacity
V = Max. allowable voltage drop in length 'l' by design.
a = cross sectional area of wire
r = specific resistance of material of wire
l = length of wire
| Is This Answer Correct ? | 8 Yes | 0 No |
Post New Answer View All Answers
Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?
Why the field rheostat is adjusted such that the voltmeter reads 380V
How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator
What are Contactors? How they works and what its highest rating?
Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?
we use capister for power factor. when we use capaciter in dg circuit than defect dg. can we use capaciter bank for dg circuit
Why Water motor is not taking a load or pressure while everything is correct. (Note: Motor running properly)
Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz
What does ampere turns shows?
explain different losses in a transformer.
What type of DC motor would you see for a lift?
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....
How to find ampere on ht side for selection of cable size ???
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
