basic

Magnetic circuits

Magnetic fields A permanent magnet is a piece of ferromagnetic material (such…

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August 16, 2021

Capacitance

Capacitors Every system of electrical conductors possesses capacitance. For example, there is…

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August 16, 2021

Capacitors and capacitance

Electrostatic field Figure 6.1 represents two parallel metal plates, A and B,…

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August 16, 2021

Parallel networks

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August 16, 2021

Potential divider

The voltage distribution for the circuit shown in Figure 5.5(a) is given…

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August 16, 2021

Series and parallel networks

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August 16, 2021

Primary cells

Primary cells cannot be recharged, that is, the conversion of chemical energy…

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August 16, 2021

Corrosion

Corrosion is the gradual destruction of a metal in a damp atmosphere…

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August 16, 2021

Chemical effects of electricity

A material must contain charged particles to be able to conduct electric…

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August 16, 2021

Temperature coefficient of resistance

In general, as the temperature of a material increases, most conductors increase…

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August 16, 2021