'A dimmer works by cutting power for an instant with each reversal of polarity in this type of electric current'
alternating current
A FULL HOUSE: A dimmer works by cutting power for an instant with each reversal of polarity in this type of electric current
A dimmer works by cutting power for an instant with each reversal of polarity in this type of electric current
A dimmer works by cutting power for an instant with each reversal of polarity in this type of electric current
A FULL HOUSE
alternating current
A FULL HOUSE