Calculating Flux Density: 400-Turn Coil with GO Steel Core and Current of 500mA

  • Thread starter Thread starter nobunaga
  • Start date Start date
  • Tags Tags
    Density Flux
Click For Summary
To calculate the flux density for a 400-turn coil with a GO steel core and a current of 500mA, the relevant parameters include the number of turns (N=400), current (I=0.05A), and coil length (l=0.03m). The magnetic force (F) is calculated as 20 At. The flux (Φ) can be determined using the formula Φ=F/Rm, where Rm represents the magnetic reluctance. The cross-sectional area (A) is necessary for calculating the flux density (B=Φ/A), which is currently missing from the discussion. Accurate calculations require all parameters, including the cross-sectional area, to determine the flux density effectively.
nobunaga
Messages
2
Reaction score
0

Homework Statement


A 400 turn coil wound over a length of 30mm has a core GO steel and has a current of 500mA
flowing through it. Find the density of the flux produced.


Homework Equations


N=400, I=0.05, l=0.03 F= IN ; Φ=F/Rm ; B=Φ/A ; Rm=


The Attempt at a Solution



F=20 At
 
Physics news on Phys.org
I believe that " A " is missing
A = the cross sectional area in metres squared
 

Similar threads

Undergrad Iron core barely boosting field strength
  • · Replies 43 ·
2
Replies
43
Views
7K
Undergrad Mutual inductance in a transformer
  • · Replies 16 ·
Replies
16
Views
4K
How to measure the magnetic field/ induced fem in a system
  • · Replies 2 ·
Replies
2
Views
2K
Question about Magnetic Circuits in a Transformer Core
  • · Replies 5 ·
Replies
5
Views
2K
Flux density expressions at solenoid centre
  • · Replies 19 ·
Replies
19
Views
2K
Poynting theorem and electromagnetic density
  • · Replies 7 ·
Replies
7
Views
2K
Calculate the magnetic flux density
  • · Replies 31 ·
2
Replies
31
Views
5K
How Does a Toroidal Coil's Magnetic Field Change with an Air-Gap Insertion?
  • · Replies 3 ·
Replies
3
Views
7K
Reluctance in a cast steel ring
  • · Replies 10 ·
Replies
10
Views
3K
Magnetic flux in tap changing transformers
  • · Replies 5 ·
Replies
5
Views
5K