Digital Ohms Law Apparatus 5 watts

Product Code : SCL-EAE-12053

The Digital Ohms Law Apparatus 5W is an educational electrical experiment apparatus used to study and verify the relationship between voltage, current, and resistance expressed by Ohm's law. Designed for students, teachers, and laboratory instructors, it supports practical measurement, calculation, graph plotting, and classroom demonstration of the fundamental relationship V = IR.

Product Description

The Digital Ohms Law Apparatus 5W provides a structured laboratory setup for investigating how electric current changes with applied potential difference across a known resistance. The verified 5 W configuration uses a 100 Ω resistance, voltage measurement up to 0–10 VDC, current measurement up to 100 mA, and 4 mm banana-type terminals.

During an experiment, students take corresponding voltage and current readings, calculate resistance using R = V/I, and compare results across several measurement points. This makes the apparatus suitable for practical electricity lessons and introductory circuit analysis alongside other Lab Meters and Electrical and Electronics equipment.

Key Features

• 100 Ω, 5 W resistance: Provides a defined resistive element for practical Ohm's law experiments.
• Voltage measurement range: Supports voltage readings from 0 to 10 VDC in the verified reference configuration.
• Current measurement range: Supports current measurement up to 100 mA.
• 4 mm banana terminals: Provides standard connection points for laboratory patch cords.
• Hands-on law verification: Enables students to compare measured voltage and current values with the equation V = IR.
• Graph-based learning: Suitable for plotting voltage against current and interpreting the resulting relationship.
• Laboratory accessories included: The verified configuration includes patch cords and an instruction manual.
• Suitable for structured teaching: Useful in physics laboratories, electrical science classes, and introductory electronics training.

Technical Specifications

What's Included in the Kit

• 1 × Digital Ohms Law Apparatus 5W
• Patch cords
• Instruction manual

Any additional power source, external leads, or accessories should be confirmed in the final supply specification.

Applications / Uses

• Verification of Ohm's law through practical measurements.
• Measurement of voltage and current in a resistive circuit.
• Calculation of resistance using R = V/I.
• Plotting voltage-current characteristics.
• Demonstrating the relationship between potential difference and electric current.
• Introducing students to electrical measurement and basic circuit analysis.

How to Use the Digital Ohms Law Apparatus 5W

1. Place the apparatus on a clean, dry, and stable laboratory bench.
2. Review the circuit arrangement and supplied instruction manual.
3. Ensure the power is off before making or changing connections.
4. Connect the required circuit using the 4 mm terminals and patch cords.
5. Apply the appropriate DC supply according to the exact apparatus configuration.
6. Record corresponding voltage and current readings at several operating points.
7. Calculate resistance using the formula R = V/I.
8. Compare the calculated values and plot a voltage-current graph where required.
9. Switch off and disconnect the apparatus after completing the experiment.

Safety note: Never exceed the specified voltage, current, or power rating. Confirm the exact power-supply requirements before energizing the apparatus.

Care & Maintenance

• Keep terminals, patch cords, and the apparatus surface clean and dry.
• Inspect leads and connection points before each practical session.
• Do not exceed the specified 5 W resistance rating or verified measuring ranges.
• Store the apparatus in a dry, dust-free location when not in use.

Why Choose Science Lab Supplies

Science Lab Supplies manufactures, supplies, and exports scientific, educational, physics, electrical, electronics, and engineering laboratory equipment for institutional applications. Its product portfolio covers practical teaching apparatus, measurement equipment, and multidisciplinary laboratory solutions.

Buyers can source related instruments from the company's Educational Lab Equipment range, allowing schools, colleges, technical institutes, and other laboratory buyers to combine complementary products within broader procurement requirements.

Frequently Asked Questions

What is a Digital Ohms Law Apparatus 5W used for?

It is used to experimentally verify Ohm's law by measuring voltage and current across a known resistance. Students can use the readings to calculate resistance and study the relationship expressed by V = IR.

What resistance is used in the 5 W apparatus?

The verified matching configuration uses a 100 Ω resistance rated at 5 W.

What are the voltage and current measurement ranges?

The verified reference configuration specifies a 0–10 VDC voltmeter range and a 100 mA ammeter range.

Can students plot a V-I graph with this apparatus?

Yes. Students can record several pairs of voltage and current readings and plot a V-I graph to examine the relationship between the two quantities.

Does the apparatus include connecting leads?

The verified configuration includes patch cords and an instruction manual.

Is the meter display digital or analog?

The available matching reference contains conflicting terminology: the product is titled digital but describes analog moving-coil meters. The exact meter configuration should therefore be confirmed before ordering or publishing a final display specification.

For practical electricity, resistance, voltage, current, and related measurement experiments, explore the complete Lab Meters range from Science Lab Supplies.