SKU: GP0777

A simple demonstration model to differentiate a.c. and d.c. current. Mounted on a wooden base size 300x150x160mm length x width x overall height approx. Two bulbs are provided for a.c. and d.c. current, hand driven, when it is operated, bulb shows flickering light to signify a.c. current and the other bulb glows fully indicating d.c. current.