Digital Ohms Law Apparatus

Product Code : SCL-EAE-11335

The apparatus is designed for the experimental study of the relationship between potential difference, electric current and resistance. Students vary an electrical quantity, record corresponding digital readings and determine whether voltage is proportional to current for a suitable conductor maintained under stable conditions.

The digital display arrangement can make readings easier to observe during individual practical work and classroom demonstrations. The number of displays, measurement ranges, display resolution, power-supply arrangement, resistor configuration, terminal type and enclosure material must be confirmed from the approved Lab Exports technical datasheet.

Key Features

Direct Ohm’s law study: Supports measurement of voltage and current for verifying the relationship V = IR.

Digital indication: Provides digital measurement displays [meter quantity and resolution .

V-I data collection: Allows students to record paired voltage and current readings for graph plotting.

Resistance calculation: Enables resistance to be calculated from measured values using R = V/I.

Structured connections: Uses designated circuit terminals or sockets .

Classroom utility: Suitable for supervised physics, electricity and introductory electronics practicals.

Reusable experiment platform: Supports repeated trials without assembling every instrument separately.

Electrical protection: Fuse, current limiting and overload protection .

Technical Specifications

Applications / Uses

Verifying Ohm’s law for a suitable electrical conductor.

Measuring voltage across and current through a resistive load.

Plotting voltage-current graphs from experimental readings.

Calculating resistance from the gradient of a V-I graph.

Comparing calculated resistance with a stated resistor value.

Teaching correct voltmeter and ammeter connection principles.

Introducing measurement uncertainty and repeatability in circuit experiments.

How to Use the Digital Ohms Law Apparatus

Place the apparatus on a dry, stable laboratory bench.

Keep the power switched off and set adjustable controls to their minimum positions.

Connect the resistive load according to the approved circuit diagram.

Check that the current-measuring section is in series and the voltage-measuring section is connected across the load.

Switch on the apparatus and apply the lowest specified voltage.

Record the displayed voltage and current values.

Increase the setting in approved steps and record each pair of readings.

Calculate R = V/I or plot a V-I graph to determine resistance.

Return the controls to minimum and switch off the apparatus after the experiment.

Safety note: Do not short-circuit the terminals or exceed the confirmed meter, resistor or power-supply ratings. Change circuit connections only when the power is off.

Care & Maintenance

Disconnect the apparatus from its power source before cleaning or inspection.

Clean the display, panel and terminals with a soft, dry cloth.

Store the unit in a dry cabinet protected from dust, moisture and impact.

Inspect leads and terminals regularly, and replace damaged parts before use.

Why Choose Lab Exports

Lab Exports manufactures, supplies and exports scientific and educational laboratory equipment for institutional users. Its catalogue covers physics apparatus, laboratory instruments, experiment setups, science kits, mathematics kits and STEM teaching equipment. The company also supports OEM and international procurement requirements. Buyers should request the model-specific datasheet, packing list and compliance documents before placing an order.

Frequently Asked Questions

What is a Digital Ohms Law Apparatus used for?

It is used to measure voltage and current in a resistive circuit and verify the relationship V = IR. Students can also use the readings to plot a V-I graph.

How does the apparatus verify Ohm’s law?

The user records current at several applied voltages. For an ohmic conductor under stable physical conditions, voltage is proportional to current and the calculated resistance remains approximately constant.

Does it have built-in digital meters?

The product name indicates digital measurement, but the number, type, range and resolution of the meters require confirmation from the technical datasheet.

Can students calculate resistance with it?

Yes. Resistance can be calculated using R = V/I or determined from the gradient of an appropriately plotted voltage-current graph.

Is the apparatus suitable for school laboratories?

It is suitable for supervised electricity practicals in secondary schools, colleges, polytechnics and vocational-training laboratories, subject to its confirmed electrical ratings.

What should buyers confirm before ordering?

Confirm the voltage and current ranges, display resolution, supplied resistor, power source, accessories, product code, dimensions, input voltage and product-specific compliance documentation.

Request the verified specification sheet from Lab Exports or explore the laboratory meters range, electrical and electronics laboratory equipment, physics laboratory equipment and the Ohms Law Kit with built-in power supply.

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