Rencana Pelajaran Teknis | Electricity: Electric Current

Tujuan

Durasi: 10 - 15 minutes

This stage aims to ensure that students have a clear understanding of the concept of electric current and how to calculate it. This knowledge is vital for developing practical skills that will be essential for hands-on experiments and future job opportunities, especially since a solid grasp of electricity is crucial in several technical and technological fields.

Tujuan Utama:

1. Understand the concept of electric current and its significance in electrical circuits.

2. Calculate the electric current in a conductor using the relevant formula.

Tujuan Sampingan:

1. Identify real-world applications of electric current in everyday life and the professional sphere.
2. Enhance problem-solving skills through electrical calculations.

Pengantar

Durasi: (10 - 15 minutes)

This segment intends to solidify students' understanding of electric current and its calculations, laying the groundwork for practical skills applicable in real-life experiments and the job market, where electrical knowledge is pivotal.

Keingintahuan dan Koneksi Pasar

Did you know that electric current is quantified in amperes, a unit named after André-Marie Ampère, one of the trailblazers in electricity research?

In today’s job market, especially in sectors like electrical engineering, electronics, and industrial automation, having knowledge about electric current is paramount. Professionals in these fields not only need to calculate but also control electric current to guarantee the safe and proper functioning of electrical and electronic systems.

Kontekstualisasi

Electricity is an integral part of our daily lives, powering everything from our home lighting to various electronic and industrial devices. Understanding the working of electric current is essential to grasp how these devices function and how we can utilize them in a safe and efficient manner.

Kegiatan Awal

Provocative Question: Pose the question to your students: 'What might happen if the electric current through our household electronic devices exceeds what they are designed for?' Short Video: Present a 3 to 5-minute video showcasing the significance of electric current in basic circuits, like that of a light bulb or a mobile charger.

Pengembangan

Durasi: 45 - 50 minutes

This stage aims to ensure that students not only have a theoretical grasp of electric current but are also capable of applying this knowledge practically through circuit construction and measurements. This is vital for developing technical skills valuable in the job market, particularly within electronics and electrical engineering.

Topik

1. Definition of electric current

2. Unit of measurement: Ampere

3. Formula for electric current (I = Q/t)

4. Hands-on examples of electric current

5. Relevance of electric current in the job market

Pemikiran tentang Subjek

Encourage students to ponder how electric current plays a role in various devices they rely on daily, such as smartphones, computers, and kitchen appliances. Invite them to consider how life would be without these devices and the importance of understanding electric current to ensure the safe and efficient operation of this equipment.

Tantangan Kecil

Building a Simple Electric Circuit

Students will create a basic electric circuit using a battery, wires, a light bulb, and a switch. They should measure the electric current in the circuit and compute the value using the formula I = Q/t.

1. Organise students into groups of 3 to 4.

2. Provide materials: battery, wires, light bulb, switch, multimeter.

3. Instruct the groups to set up the circuit as per guidelines: connecting the battery to wires, linking them to the light bulb and the switch.

4. Guide students to use the multimeter to check the electric current flowing through the circuit.

5. Have students record the charge passing through the circuit over time and calculate the electric current using I = Q/t.

6. Finally, each group should present their findings and discuss any variations or errors in measurement.

Enhance practical skills in circuit assembly and the measurement and calculation of electric current, along with fostering teamwork and problem-solving abilities.

**Durasi: 30 - 35 minutes

Latihan Evaluasi

1. Calculate the electric current in a wire if 6 coulombs of charge pass through in 2 seconds.

2. If a current of 3 amperes flows in a circuit, how many coulombs of charge will pass through in 10 seconds?

3. Discuss why it’s crucial to accurately measure electric current in a circuit regarding the safety and efficiency of devices.

Kesimpulan

Durasi: (10 - 15 minutes)

The goal of this stage is to reinforce the knowledge acquired by students, merging the concepts learned with the practical experiences undertaken during the lesson. By encouraging reflection and discussion, we aim to ensure that students realize the relevance of the subject both in their daily lives and in potential career pathways.

Diskusi

Facilitate a concluding discussion about the activities conducted during the lesson. Ask students to share their experiences of building the electric circuit and measuring the current. Motivate them to reflect on the challenges encountered during assembly and measurement, and how they addressed those issues. Invite them to provide examples of the relevance of electric current in their lives and potential careers.

Ringkasan

Summarize the key points covered in the lesson: the concept of electric current, the formula for calculating it (I = Q/t), and the significance of electric current in everyday devices and the job market. Stress the connection between theoretical knowledge and practical application seen through the circuit building and current measurement.

Penutupan

Convey to students the importance of understanding and accurately measuring electric current to safeguard and enhance the efficiency of electronic devices. Emphasize how the skills they’ve developed through this lesson are applicable in various technical fields, equipping them for future opportunities in the job market.