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AC Magnetic Field Coil
| Settings | AC Magnetic Field Coil remove | Lamp Brightness Experiment remove | Resistance Substitution Box remove | Planck's Constant LED Apparatus remove | Brass Small Bayonet Cap Batten Holders - Oval base remove | Capacitance Substitution Box Class set of 15 remove |
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| Description |
AC Magnetic Field Coil
| Code: ELB8000
Students often think that the brightness of a lamp is only dependent on the current flowing through it. The unit allows the teacher to safely switch a 12V lamp in series with a mains lamp and study the current flow through them.
| Code:Â ERS8050
A six-decade resistance substitution box designed for use in educational establishments.
| Code: EPC7000
A multipurpose unit that allows the user to easily calculate Planck's constant, to measure the wavelength of coloured light, demonstrate colour light transmission through colour filters and show the diffraction patterns for various wavelengths of coloured light using a range of 4 LEDs (Red, Yellow, Green and Blue) covering the light range from deep blue at 470nm to near IR at 940nm.
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Class Packs of Brass SBC (Small Bayonet Cap) round lamp holders with an oval base.
| Code:Â IPC-5865-X
Class set of 15 Capacitance Substitution Boxes. The IPC Capacitance Substitution Box (IPC-5861-X) provides the easily selection of 12 preferred value capacitors, ranging from 100pF to 0.47µF.
The values range from: 100pF, 220pF, 470pF, 1nF, 2n2, 4n7, 10nF, 22nF, 47nF, 0.1µF, 0.22µF and 0.47µF. All the capacitors offer a maximum voltage rating of 50V (AC or DC), with actual capacitance value tolerances of ±5% to ±10%. The unit is housed in a robust ABS plastic case with rotary selector switch and a pair of 4mm connection sockets.
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| Content | Code:Â IPC-4915-W
AC Magnetic Field Coil
| This includes kit includes the use of a safety mains lamp socket, which has a built in a switching system that only allows it to be switched on when a lamp is inserted. Â We have also included two switches, which must be pressed simultaneously to route the mains current through the low voltage lamp. Furthermore, the switches are sited at opposite ends of the case, requiring two hands to operate them. Â However, it must be appreciated that you are working with potentially lethal voltages and currents and therefore extra care should be taken.
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| Box mounted with 5 x 4mm sockets for attachment to an ammeter or voltmeter to display measurements. Monitoring the voltage of each LED a graph of energy input as a function of light frequency emitted can be measured with an approximate value of Plank's constant calculated.
| Code:Â OPB3005
Class Packs of Brass SBC (Small Bayonet Cap)Â round lamp holders with an oval base.
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Description : Capacitance Substitution Box          Â
Part Number : IPC-5861-X Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Electrical Supply : 50VAC/DC Maximum            Â
Dimensions : 75 x 100 x 40mm                      Â
Mass : 0.15kg                     Â
Capacitance Tolerance : ±5% to ±10%                                     Â
Electrical Connections : 4mm Sockets
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