The Back Spike From A Coil Can Destroy Switches, Relays And Electronic Parts.
24:14
#131 Mechanical relay overload and snubber (with sparks)
7:45
MOSFET switching for an Inductor | Inductive spiking & Use of Freewheeling diode
29:51
EEVblog 1409 - The DANGERS of Inductor Back EMF
10:38
the truth about back EMF.flv
8:25
Flyback Diodes - Simply Put
13:30
21.6 The Torque on a Current Carrying Coil
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How to protect circuits from reversed voltage polarity!
14:03