Double your teaching and experimental possibilities - demonstrates AC and DC properties! With this unit both alternating & direct current AC and DC hand dynamo can be demonstrated. By turning the handle the current that is produced can be seen as it lights the lamp. The quicker the handle is turned, the brighter the light. Instructions included.
Read MoreSend InquiryVacuum Bell Jar is a modified unit which does not require external power source for the bell. Comes complete with Bell Jar, Bell which requires 2 D batteries (not included), Vacuum Pump Plate. Assembled unit is 7.5 in. (190mm) x 11 in. (280mm) Diameter x Height. Perfect for isolating experiments from outside interference or studying the Properties of Matter in a Vacuum. This Bell jar is for use in only Physics Experiments to teach Science.
Read MoreSend InquirySpecifications of Demountable Transformer Coil Winding:
Overall size :150*120*120mm
Product Weight:1kg
Coil 400 800 and 1600
Set of 5 sets with different turns can have relative voltage of output by plug a 6000 turn primary coil into main power.
Specifications of Precision Current Balance:
Base:310x160x10mm
Hollow Solenoid: Inner diameter is 41mm, lenth is 160mm
Roll with 600 circles thick enameled wire, dia is 1.2mm
Windsheild:clear , 120mmx90mmx90mm, 1pc
circle titlle wieghts: Print the mark of weights,Each is 7mg, 20pcs/box
A Tesla coil is an electrical resonant transformer circuit invented by Nikola Tesla around 1891. It is used to produce high-voltage, low-current, high frequency alternating-current electricity.Tesla experimented with a number of different configurations one fundamental principal Teslar find is :Wireless power transmission . Today widely used like cordless battery recharge
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