With three colour coded 4 mm socket terminals & zero adjustment. Available up to 15 V.
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A simple dynamo model to differentiate AC from DC. Mounted on a wooden base. Two bulbs are provided for AC & DC current(s). The model is hand driven & when operated, the AC bulb shows flickering light to indicate AC current while the other bulb glows fully indicating DC current.
Used in charging & discharging of a capacitor. C.P. brass strips & pillars. Three terminals fitted on a thick bakelite plate of high insulation. Contact resistance 2 milliohms approx. Maximum current 5 amps. Dimensions : 185 x 15 x 45 mm.
Each centre hole coil is wound on a plastic former & is provided with 4 mm socketed terminals.
The coil fits onto a double āCā core, provides a suitable transformer for operation from a low voltage AC supply. In addition, it provides a useful electromagnet if used on one half of a āCā core.
Used in experiments on Hysterisis. Six cups for mercury in bakelite tray. Six terminals for connections & an insulating handle. Maximum current 5 amps. Dimensions 140 x 140 x 80 mm.
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