Instead of studying electronics you should have been studying the
qusetion
and answer book. When the questions are the same as in the book , it is
no
use learning anything for a test.

Where do you get that, Ralph? That license isn't the final goal. It's
the beginning. If all a person wants to do is pass some test, I suppose
they could memorize Q and A. - although I might postulate that
memorizing over 800 questions for the Extra might be harder than simply
learning the material.



Getting the license is the first goal. You have to memorize the rules to
answer many of the questions. Might as well memorize the other parts too.
You get your license and you can start to learn about ham radio.
Sometimes the questions can be deceiving and what may be a correct answer
may not be the "best" answer.

As far as getting good answers about most anything at RAdio Shack or many
other stores , what do you expect from someone making the wages they pay ?
You do not get a salesman and electronics engineer for those wages. Try
going into any store, say Wal-Mart and pick out an area and ask some
specific questions about the products and see what they have to say.
Chances are you will get the same dumb look and maybe a dumb answer.