High quality Physics Expriment circuit board for middle school teaching use. totaly included 14 blokcs and A multimeter. Saftey and simple experiments for students, can connected to two 1.5V, two 2.5V...and 10Ohm , two Ampere meter.
Read MoreSend InquiryThis Electrostatic Friction Rod kit provides the necessary tools to free both positive and negative charges for exploration into electrostatic forces. Students can experiment with different combinations of cloth and rod materials to explore how each manufactures charge carriers
Read MoreSend InquiryEconomy Wimshurst Machine is fully assembled Wimshurst Machine demonstrates electrostatic induction and the production of electric charges, and can produce sparks up to 2-1/2". It has molded plastic parts for durability, including a stand, two leyden jars, pulleys, and two handles. It has steel rods, and two acrylic flywheels. It is attached to a wood base for stability.
Read MoreSend InquiryRotary Resistor, corrosion protection, rust proof and robust, surface mesh protection can be achieved by transient high current. The specifications are 10ohm 5.6A;333ohm 0.95 A;180ohm 2A 333ohm 1.5 A
Read MoreSend InquirySliding Rheostat Size: Approx. 160x60x50mm/6.3x2.36x1.97inches. Scentific Laboratory 50 Ohms 1.5 Amps Sliding Rheostat Variable Resistor for Physical Electrical Experiment Equipment.
Read MoreSend InquiryWhen only a small change in resistance, then wire to the "0" and another small indication terminal, can reduce the resistance inside the lead resistance. The resistance box should be placed in shelter room, the air temperature from + 10 Degree~ 40 Degree relative humidity below 80% should not contain harmful impurities can cause corrosion
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