> Try running the transistor in common collector mode.

Actually that's "common emitter".

> - Connect transistor collector to OTHER end of primary.
> - Connect +5v to end of primary where ground is now.
> - Add a drive resistor from PIC pin to base - say 1k to start.
>
> Circuit now obeys the laws of physics.

All circuits obey the laws of physics.  However this one will still have a
problem without a diode from the collector to the +5V supply.


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