inductor

A length of wire has inductance, whether its straight or wound in a spiral, inductance is present.

If you are new to inducor Grover's book "Inducatance Calculations" will make your head spin and maybe even explode. Start with something simpler like basic electronics books. The "ARRL Handbook for Radio Amatuers" has a very good section on building inductors. You can probably find good info in Wikipedia on the internet also.

Then go back and try Grover's book if you want to really get into it.

Good luck

Get a copy of Frederick Grover's Inductance Calculation. I think ISA prints it now but you should be able to find a used copy on ABE.

There are enameled coper wires available in markets, Juts buy on thin gauge, Spool its 1000 turns on a bobbin and connect its end to a small battery, Its an inductor that you can feel with an iron nail.

Don't forget to remove enamel from both ends.

Your posting touched a raw nerve with me. I'm envious that you can just tell him to go to the market and buy some magnet wire. Forty or fifty years ago, every town in the US had at least one, often more, places you could buy stuff like that to just experiment with. I remember the hardware stores, the TV repair shops, Olsen Electronics, Lafayette, Radio Shack, Kahn & Ellert, and on and on who all had electrical/electronic odds and ends, much of it surplus or scrap that was cheap. Now we must order from DigiKey or somebody like that. It's taken all the spontaneity out of just "fiddling around" in the basement shop.

Hi,

As we are 50Years behinds of America. (sorry if some of my Indian friends got offended) We have similar Kinds of markets here, spatially in my own city. Its really very nice to have this kind of stuff. Some time being very high tech make things difficult to access or make them expensive to access.