Resistance Coil Round Blue

Details:

• A round resistance coil is a laboratory apparatus used in creating and adjusting electrical resistance.
• These coils are commonly used in electrical experiments to measure the between current, voltage, and resistance, also to measure the resistance of other circuit components.
• The resistance can be adjusted by changing the length of the wire used or by changing the diameter of the coil.
• It comes in blue plastic case with 2 sockets.