Electronics - Magnetism and Electromagnetism
Exercise : Magnetism and Electromagnetism - Filling the Blanks
- Magnetism and Electromagnetism - General Questions
- Magnetism and Electromagnetism - True or False
- Magnetism and Electromagnetism - Filling the Blanks
When the current through a coil reverses direction, the magnetic field around the coil _____.
The flux density is ___ when the magnetic flux is 9 µWb and the cross-sectional area of the magnetic field is 5 × 10–3 m2.
After the magnetizing force has been removed, the ratio of the remaining magnetic flux to the saturated magnetic flux is called _____________.
You can determine the direction of the lines of force surrounding a conductor by using _____.
A group of force lines going from the north pole to the south pole of a magnet is called the magnetic ___.