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Small Motor/Generator
Small Motor/Generator (Product Code: SCI-1435/015) is a compact motor that doubles as a generator, used with the large motor/generator to compare power input and output in physics practicals on energy and efficiency. It comprises a 1.5 to 4.5 V motor supplied with a driving belt, so the two machines can drive each other in turn, forming a simple electricity experiment kit for school energy lessons. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Motor rating | 1.5 to 4.5 V |
| Supplied with | Driving belt |
| Designed for use with | The large motor/generator |
| Experiment | Comparing power input and output by driving each machine in turn with the other and metering voltages and currents |
| Product code | SCI-1435/015 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the Small Motor/Generator Used For?
The unit is built for a classic energy-transfer practical. Belt it to the large motor/generator and power the large machine as a motor, so the small one is driven as a generator feeding a lamp or resistor. With an ammeter and voltmeter on each side, students calculate electrical power in and power out (voltage multiplied by current) and express the output as a percentage of the input to find the efficiency.
Next, swap the roles: supply the small machine within its 1.5 to 4.5 V rating so it drives the large one, and repeat the readings. Comparing the two results opens a discussion on friction, heating, belt slip and why machines of different size behave differently. Start from a low voltage and increase it gradually, and keep the belt clean and correctly aligned.
What to Specify When Ordering
- Whether you already have the large motor/generator or need it quoted with this unit.
- The number of sets, for example one pair per student group.
- Meters and a low-voltage DC supply, if they should be included in the quotation.
Supplier
ScienceLab, the trading name of Jain Scientific Equipments Private Limited, supplies the Small Motor/Generator from Ambala, Haryana, India. The company sources this compact motor unit for physics laboratories and can quote it with the large unit it pairs with, so the matched set arrives in one consignment. Institutions, dealers and importers can also ask us about repeat sets or spare belts. Visit the ScienceLab profile page for company details.
Related Laboratory Equipment
Everything needed around the Small Motor/Generator for the power input and output experiment:
- Large Motor/Generator — the partner machine it is designed to work with.
- Standard Digital Multimeter — measures voltage and current on either machine.
- Analogue Voltmeter — a dial meter for reading the voltage across the generator.
- Analogue Ammeter — shows the current drawn by the motor.
See the Laboratory Equipment category for other physics apparatus.
Frequently Asked Questions
What voltage does the Small Motor/Generator need?
The Small Motor/Generator comprises a 1.5 to 4.5 V motor. When it is used as the driving motor, keep the supply within that range and raise the voltage gradually, which protects the motor and gives steadier readings.
What is the Small Motor/Generator used with?
The Small Motor/Generator is designed for use with the large motor/generator. The two machines drive each other in turn, and students meter voltages and currents to compare power input and output across machines of different size.
Is a belt included with the Small Motor/Generator?
Yes. The Small Motor/Generator is supplied with a driving belt for linking it to the large motor/generator. Meters and a DC power supply are not listed with it, so mention them in your enquiry if you need them.
How is efficiency found with the Small Motor/Generator?
With the Small Motor/Generator belted to the large unit, students measure voltage and current into the driving motor and out of the generator. Output power divided by input power, expressed as a percentage, gives the efficiency of the arrangement.
Who supplies the Small Motor/Generator?
The Small Motor/Generator is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India. The company also supplies the matching large motor/generator, so both machines for the power input and output experiment can be ordered together.
What should a quotation request for the Small Motor/Generator include?
For a Small Motor/Generator quotation, give the product code SCI-1435/015, the number of sets, whether the large unit and meters are needed, and the delivery location. We quote directly for India and international markets.
Request a Quote
Order the Small Motor/Generator (SCI-1435/015) by sending your details through the contact page or adding it to the enquiry cart. ScienceLab will send you a quotation directly.
Last updated: 24 September 2026
