All Questions
7
questions with no upvoted or accepted answers
2
votes
0
answers
118
views
Magnetic field due to a double tape line
I have been asked to calculate the inductance of a double tape line :
Now we know that $$ N\phi = LI$$
So let's calculate the magnetic field by assuming an amperian loop like this:
$$\int B.dl = ...
- 361
1
vote
0
answers
131
views
Coilgun projectile force calculation
Please excuse me if I am completely wrong because I am a 9th grader but I hopefully am able to explain briefly about my problem. I was trying to create a function to calculate the Force of an iron ...
- 11
1
vote
1
answer
132
views
How to simplify the maths to determine the mutual inductance between two multi-layer rectangular coils of arbitrary dimensions?
I am experimenting with wireless power transfer. The maths to directly determine mutual inductance between two multi-layer rectangular coils of arbitrary area, separated by an arbitrary distance, ...
- 11
0
votes
0
answers
31
views
Current sensitivity in transformer scheme with SQUID
I've tried to determine the maximum current sensitivity in this transformer scheme but I'm not sure if my solution is valid. I need to find the relation between the current in the input transformer ...
0
votes
1
answer
194
views
Self-inductance of a finite solenoid
Where did the $l$ in the denominator come from? I am talking about the $l$ in muNI/2l[...]?
I can't match LHS and RHS.
0
votes
1
answer
1k
views
Motion of a magnet inside a solenoid
I have a homework problem where a bar magnet is placed halfway inside a horizontal solenoid. A cut away shows that the magnet's north pole points to the left of the page and the south pole is outside ...
0
votes
2
answers
146
views
Conducting loops attracting each other
The problem is the following
Two identical, perfectly conducting loops are far apart and share the same axis. Each has self-inductance $L$ and a current $I$ flowing in the same direction, so the ...
- 1,161