-15%
Demonstration Transformer
Original price was: KSh 6,100.00.KSh 5,204.00Current price is: KSh 5,204.00.
- Magnetic core: Facilitates passage of magnetic fields.
- Primary coil: Creates changing magnetic field with AC current.
- Secondary coil (different turns): Voltage induced based on changing magnetic field.
- Voltage transformation: Demonstrates how transformers manipulate AC voltage (step-up or step-down).
- Educational tool: Helps visualize electromagnetic induction and AC voltage transformation.
- Description
- Reviews (0)
Description
Demonstration Transformer
The demonstration transformer is a key piece of equipment used in science classrooms and laboratories to illustrate the fundamental principles of electromagnetic induction and transformers. This device takes advantage of changing magnetic fields to induce voltage in a secondary coil, thereby demonstrating how transformers can manipulate alternating current (AC) voltage.
Design and Functionality:
- Magnetic Core: The core of the transformer is typically made of a highly permeable material, such as laminated iron or silicon steel. This material allows for the efficient passage of magnetic fields.
- Primary Coil: This coil consists of a specific number of turns of insulated wire wrapped around the magnetic core. When an alternating current (AC) is passed through this coil, it creates a continually changing magnetic field within the core.
- Secondary Coil: The secondary coil, also made of insulated wire, is wrapped around the same magnetic core but with a different number of turns compared to the primary coil. This difference in turns is crucial for the transformer’s function.
How it Works:
- AC Current in Primary Coil: When an AC current is applied to the primary coil, it generates a changing magnetic field that expands and collapses within the iron core.
- Electromagnetic Induction: This changing magnetic field, according to Faraday’s Law of electromagnetic induction, induces a voltage in the secondary coil. The voltage induced in the secondary coil is proportional to the number of turns in the coil and the rate of change of the magnetic field.
- Voltage Transformation: Since the secondary coil typically has a different number of turns compared to the primary coil, the induced voltage in the secondary can be higher or lower than the voltage applied to the primary coil. This is the essence of how transformers can manipulate AC voltage.
Applications and Benefits:
- Teaching Electromagnetic Induction: The demonstration transformer is a valuable tool for educators to visually demonstrate the concept of electromagnetic induction and its role in generating voltage.
- Understanding Transformers: It provides a simple and intuitive way to explain how transformers work, which is a fundamental principle in electricity generation, transmission, and distribution.
- Visualization of AC Voltage Transformation: By observing the change in voltage across the primary and secondary coils, students can gain a practical understanding of how transformers can step up or step down AC voltage.
Reviews
There are no reviews yet.