by Rajesh Kakkad | Jul 22, 2022 | Amateur Radio Theory
As we have studied the effects of electricity flowing through wires, and have discussed resistors, coils, and metering devices. Both resistors and coils have a restricting effect on the flow of current. We also discussed how a coil has more resistance to AC than it...
by Rajesh Kakkad | Jul 20, 2022 | Amateur Radio Theory
Almost 20 centuries ago, an ore called magnetite was found and was called “lodestone” or leading stone. Name magnetism derived from the name of the place from where these type of rocks were found. The lodestone later was given name of magnet. Lodestone & Magnet:...
by Rajesh Kakkad | Jul 18, 2022 | Amateur Radio Theory
Sometime over the years, some bright soul determined that it would be difficult to draw a picture of every component that you decided to put into a circuit. However, they needed a way to tell their colleagues about discoveries and accomplishments. So a system was...
by Rajesh Kakkad | Jul 8, 2022 | Announcement
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