Two Examples Of The Use Of Feedback
The concept of feedback used to achieve a closed-loop control system was described in Section…
Control systems
Control systems
History Of Automatic Control
The use of feedback to control a system has a fascinating history. The first applications…
Control systems
Control system
Engineering is concerned with understanding and controlling the materials and forces of nature for the…
basic
Electromagnetism
Magnetic field due to an electric current Magnetic fields can be set up not only…
basic
Reluctance
Composite series magnetic circuits For a series magnetic circuit having n parts, the total reluctance…
basic
Magnetic flux and flux density
Magnetic flux is the amount of magnetic field (or the number of lines of force)…
basic
Magnetic circuits
Magnetic fields A permanent magnet is a piece of ferromagnetic material (such as iron, nickel…
basic
Capacitance
Capacitors Every system of electrical conductors possesses capacitance. For example, there is capacitance between the…
basic
Capacitors and capacitance
Electrostatic field Figure 6.1 represents two parallel metal plates, A and B, charged to different…