Description
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Air Core Solenoid
Description
Air Core Solenoid helps investigate the magnetic field of a long coil.
It can also used with the Current Balance as an accessory to measure the force on a conductor in a magnetic field.
The solenoid has coils wound on a plastic tube with approximately 575 turns of copper wire.
It can carry a current of 5 A continuously or 10 A intermittently.
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Demountable Transformer
Description
This heavy duty demountable transformer can be used for the study of transformertheory and many other alternating current phenomena. This kit consists of: 1. A magnetic circuit made of highly permeable U shape metal sheet, which can be closed using two clamps with tightening screws. 2. Section: 40 x 40 mm with 150 mm length and 170 mm height. 3. One coil of 6000 turns with maximum current of 0.2 A. Intermediary coil of 2000 turns output. 4. One coil of 600 turns with maximum current of 2.5 A, which is mainly used to create the primary of transformer. 5. One coil of 1200 turns with maximum current of 1.25 A, fitted with intermediary 400 and 800 turns outputs. 6. One coil of 72 turns with maximum current of 12 A, fitted with intermediary 6, 30, 54 and 66 turns outputs. 7. Power supply cable.
Earth, Neutral And Live Board Demonstration
Description
This apparatus is an effective demonstration of how the earth wire and fuse act together to protect both the user and the appliance. When the appliance is connected correctly and the LEDs in the appliance will illuminate to show the appliance is working. A fault is then demonstrated by swapping the live wire from inside the appliance to the case to show either the fuse melts (protecting the user and appliance) or in the case of no earth wire, the LEDs illuminate to indicate the passage of current through the person to ground. The fuse is easily visible and can be seen to ‘blow’ when a fault occurs.The unit is supplied with 10 m of fuse wire and full instructions. A 12 V DC power supply is required. Connections are made via 4 mm shrouded sockets.
Accessories Set For Demountable Transformer
Description
Comprising 1 welding coil of 5 turns on former with insulated handle and short-circuiting pins,1 annular melting trough with insulated handle to show heating by induction,1 jumping ring which is thrown clear when primary current is started and a floating ring which remains freely suspended when primary current is flowing.
Worcester Circuit Board
Description
Enables students to investigate nature and properties of electricity by using simple circuits which are easily constructed on a base board. The connector system uses P.C.B. strips with cut-out sections whose ends can easily be inserted in spring terminals, ensuring low contact resistance and ease of connection. The kit consists of : 1. Baseboard, plastic, with spring terminals and three battery holders. (1) 2. Batteries. (3) 3. Lamps 1.25 V MES. (10) 4. Lamp holders mounted on PCB connectors. (6) 5. Plain connector PCBs. (10) 6. Wire wound potentiometer with crocodile clip connections. (1) 7. Silicon diode. (1) 8. Resistor 3.9 ohm 2.5 W (1) 9. Pair Leads, red, with crocodile clip at each end. (1) 10. Pair Leads, black, with crocodile clip at each end (1) 11. Pair Leads, yellow, with crocodile clips at each end. (1) 12. Switches mounted on PCB. connectors (2) 13. PVC rod 15 cm long (1) 14. Soft iron nails, 5 cm long (2) 15. Bare copper wire, swg 20 (2 m) 16. Bare eureka wire, swg 34 (2 m) 17. Plastic covered copper wire (2 m) 18. Electrode support (1) 19. Pencil lead electrodes (10) 20. Sheet copper foil, 150 mm square (1) 21. Pack Steel wool (1) 22. Instruction manual in English. (1)
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