Recent content by wetback

A laminated iron core was inserted into a coil with an AC current flowing in the coil. 1.The current in the circuit decreased after inserting the core. 2.Also the magnetic field was found to be stronger on the outer edge than in the center of the laminated iron core. How to explain the fall...

Length of the coil is the length of the cylinder shape the coil makes. There is no information missing. You are supposed to use equations to eliminate the need for the missing information. The task is from a widely used book.

Homework Statement The contour consists of a condenser with capacitance C = 2.22*10^-9 F and a coil of copper wire. The diameter of the wire 5*10^-4 m, the length of the coil 20*10^-2 m. Determine the damping logarithmic decrement Λ of the fluctuations? Given answer:0.018 Homework Equations...

Hey! As it often is, when you are desperate enough to look for help in a forum, you miraculously find the solution yourself! Eureka! And as always, it turns out to be pretty simple. Just some algebra. If anyone ever stumbles upon this post looking for help, I'll explain what I did: I used...

Homework Statement Problem: A Solenoid has N turns of Copper wire (Cross-section area of the wire is 10-6 m2) The Length of the solenoid is 25*10-2 m and its Resistance is 0.5 Ω. What's the Self-Inductance of the solenoid? Homework Equations Given answer: 5.5*10-5 H Please help me with...