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Re: Pedagogy of misconceptions.

I believe the book may be written to take into account
the probable viewpoint(s) of a student new to the
topic and to recognize the likely preconceptions he or
she is likely to have. For example, twists and turns
on a path force you to move more slowly than if it
were straight. I think it's very understandable that
many students would expect steady-state current in
wires to be similarly affected.

After all, how do we draw a resistor? A zig-zag line! So at some level we
are all comfortable with this miconception.


Tim