Magnetic flux and flux density
Magnetic flux is the amount of magnetic field (or the number of lines of force)…
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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…
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Primary cells
Primary cells cannot be recharged, that is, the conversion of chemical energy to electrical energy…
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Chemical effects of electricity
A material must contain charged particles to be able to conduct electric current. In solids,…