Electricity and Magnetism|Physics – Central Science Supplies https://centralscience.spiderns.com School and College Science Supplies Tue, 13 Oct 2026 17:12:47 +0000 en-GB hourly 1 https://wordpress.org/?v=7.1.3 Affordable High-Precision Helmholtz Coils https://centralscience.spiderns.com/product/affordable-high-precision-helmholtz-coils/ https://centralscience.spiderns.com/product/affordable-high-precision-helmholtz-coils/#respond Tue, 13 Oct 2026 17:12:47 +0000 http://centralscience.spiderns.com/product/affordable-high-precision-helmholtz-coils/ Explore Magnetism with our Affordable High-Precision Helmholtz Coils – Get Started Today!
Our Affordable High-Precision Helmholtz coils are the perfect equipment for exploring magnetic fields and conducting experiments related to Ampere’s theorem and the determination of the terrestrial magnetic field. These coils consist of two flat, mobile coils, each comprising 100 copper turns, making a total of 5 layers of 20 turns. Mounted on a sturdy metallic support that can be graduated for precise measurements, these coils offer versatility with a variable gap of up to 240 mm. Additionally, a movable device is provided for your teslametric probe, ensuring accurate and hassle-free magnetic field measurements. With a maximum intensity of 5A, these Helmholtz coils are indispensable tools for students and educators in the field of physics.

Key Features Affordable High-Precision Helmholtz Coils**:**

  • Precise Magnetic Field Generation: Our Helmholtz coils are designed to produce highly precise and uniform magnetic fields. The two flat, mobile coils, each consisting of 100 copper turns, ensure that the magnetic field is consistent and reliable. This precision is crucial for conducting experiments and measurements accurately.
  • Adjustable Gap for Versatility: These coils offer exceptional versatility with an adjustable gap of up to 240 mm. This feature allows you to customize the setup according to your specific experiments, ensuring that you have the flexibility needed for various magnetic field-related investigations.
  • Teslametric Probe Compatibility: To simplify the process of magnetic field measurements, we provide a movable device for teslametric probes. This practical addition enhances the ease of use and ensures that your measurements are both accurate and convenient.
  • High-Intensity Capability: With a maximum intensity of 5A, our Helmholtz coils can handle a wide range of experimental requirements. Whether you’re teaching magnetic field principles or conducting advanced research, these coils offer the necessary intensity for your applications.

Dimensions:

  • Coil Dimensions: The Helmholtz coils are designed to be mobile and adaptable, making them suitable for various laboratory setups. The adjustable gap, up to 240 mm, provides further flexibility.

Our Helmholtz coils are exceptional tools for magnetic field experiments and measurements. Their precision, versatility, and compatibility with teslametric probes make them indispensable for educational purposes. With a maximum intensity of 5A, these coils are well-suited for a wide range of experiments related to magnetic fields and Ampere’s theorem.

Notes:

  • These Helmholtz coils are intended for educational and experimental use.
  • Proper safety precautions should be followed when operating equipment with electrical currents.
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Resistance Substitution Box https://centralscience.spiderns.com/product/resistance-substitution-box/ https://centralscience.spiderns.com/product/resistance-substitution-box/#respond Tue, 13 Oct 2026 15:47:16 +0000 http://centralscience.spiderns.com/product/resistance-substitution-box/ Our Resistance Substitution Box provides the easily selection of 11 preferred value carbon resistors, ranging from 100R to 10M.

The values (in ohms) range from: 100R, 330R, 1k, 3k3, 10k, 33k, 100k, 330k, 1M, 3M3 and 10M. All of the resistors offer a power rating of 0.5W continuous and 1W maximum for a short period of time, with an actual resistance value tolerance of ±5% . The unit is housed in a robust ABS plastic case with a rotary selector switch (this switch also has an OFF position) and a pair of 4mm connection sockets.

Dimensions : 98 x 148 x 80mm

Mass : 0.32kg

Resistor Power Rating : 0.5W continuous (1W short periods of time)

Resistance Tolerance : ±5%

Electrical Connections : 4mm Sockets

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Capacitance Substitution Box     https://centralscience.spiderns.com/product/capacitance-substitution-box/ https://centralscience.spiderns.com/product/capacitance-substitution-box/#respond Tue, 13 Oct 2026 15:47:12 +0000 http://centralscience.spiderns.com/product/capacitance-substitution-box/ Our Capacitance Substitution Box 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.

Electrical Supply : 50VAC/DC Maximum

Dimensions : 75 x 100 x 40mm

Mass : 0.15kg

Capacitance Tolerance : ±5% to ±10%

Electrical Connections : 4mm Sockets

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