keti

this would be the easy explanation: http://micro.magnet.fsu.edu/electromag/java/faraday2/ move the magnet back and forth and see what happens.

basically inducted electricity is zero unless there is a magnet (or a moving magnetic field) messing around with it.no moving electromagnetic field (aka magnet jumping around) ,induction zero. It's like something has to wake the lil piggy up.

did that help?