To know the exact diameter of the wire will fail, and no micrometer or Vernier caliper, if you use … normal range.
This is quite tightly wound on the rod a small number of turns of wire, then measure the width of the winding divided by the number of turns: the number obtained will be the required diameter.
Recommend to read
“E-COLI”
Instead of bulky and uncomfortable electrostatic machines Wimshurst, coils Ruhmkorff in high school physics classrooms are increasingly high voltage converters voltage. They can be used...
SURFING ON ASPHALT
In recent years, increasingly popular among young people acquires a new exciting sport, something akin to the classic surf art of the slide with the crest of the wave on the Board. It is...
