UAS M REXY 2220201011

Writer : Muhammad Rexy Putra Mahardika

Editor : Arifin suni

Reviewer : Muhammad Rexy Putra Mahardika

List of activities in ESP for Electrical Engineering

1. Short Article about Electrical Engineering

2. 5W1H Questions

3. Verbal and Nominal Sentences

4. Tenses and It’s Pattern

5. Active and Passive Construction

6. List of Vocabulary

7. Translation into Indonesia

8. Reasons Why Writer Uses Tenses

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ELECTROMAGNETIC

Electromagnetic Field Definition Charged and moving particles produce a magnetic field. When the speed of a charged particle changes, an electromagnetic field is generated. Electromagnetic Field Definition of Electromagnetic Field - Without us realizing it, in our environment, especially our household appliances, there are lots of items that contain electromagnetic fields. Electromagnetic fields, often called EM fields, are generated when charged particles, such as electrons, are accelerated. Thus, electromagnetic fields are all particles that are electrically charged and surrounded by an electric field. It was also first discovered in the 19th century, when physicists realized that electric arcs (sparks) could be reproduced remotely and without connecting wires between them. This led scientists to believe that it was possible to communicate over long distances without the use of wires. The radio transmitters that first used this electric arc and the associated receivers were as exciting to people in the early 20th century as the internet is today. This was the beginning of what we usually call wireless communication. Electromagnetic fields (ME) are usually generated from current (alternating AC) in electrical conductors. The frequency of the buffer current can range from one cycle in thousands of years at the low extremes to trillions or quadrillion cycles per second (at very high temperatures). The standard unit for electromagnetic waves is hertz. The frequency of 1000 Hz is one kilohertz (kHz). The frequency of 1000 kHz is one megahertz (MHz). The frequency of 1000 MHz is one gigahertz (GHz). Electromagnetic wavelength is related to frequency. If the frequency F of an electromagnetic wave is specified in megahertz, and the wavelength W is specified in meters (m). So in free space, the two are related by the formula w = 300/f. For example, a signal at 100 MHz has a wavelength of 3 m, or about 10 m. This same formula applies when the frequency is in GHz and the wavelength is specified in millimeters (mm). Thus, a signal at 30 GHz will have a wavelength of 10 millimeters or a little less than half an inch. It's hard to calculate using a formula like that, especially for people who don't know it. It would be easier if we had a tool that could measure electromagnetic magnetic fields. Now there is a useful tool for measuring electromagnetic fields, namely the Emf Tester. You can get it through the Indonesian Measurement Tool website. The EM energy field is called the spectrum of electromagnetic radiation. In theory, it extends from long wavelengths to short wavelengths. Whereas in the physics of electromagnetism, the electromagnetic field is a field that consists of a combination of two related vector fields, namely: an electric field and a magnetic field.

A. 5W1H Questions

B. Verbal and Nominal Sentences

Clues: Verbal sentences (V) are those, which start with a verb. Non-verbal sentences start with a noun or pronoun, or with derivative nouns. Verbal sentences consist of a verb + subject + object or adverbial phrase. The subject and object can be either nouns or pronouns. Nominal sentence (N) also known as equational sentence is a linguistic term that refers to a nonverbal sentence (i.e. a sentence without a finite verb). As a nominal sentence does not have a verbal predicate, it may contain a nominal predicate, an adjectival predicate, in Semitic languages also an adverbial predicate or even a prepositional predicate.

C. Active and Passive Construction

Clues: Active sentence is a sentence where the subject performs the action of the verb. For example: John kicked the ball. ("John" is the subject. "John" is performing the action of the verb "kick." Therefore, this is an active sentence.) An active sentence is the opposite of a passive sentence. In a passive sentence, the action of the main verb is done to the subject. The passive voice occurs when the person or thing that performs an action is not the grammatical subject of the sentence. Instead, the person or thing that receives the action is placed before the verb. Passive sentences are formed using the verb to be combined with a past participle.

D. List of Vocabulary

E. Tenses and It’s Pattern

Please identify the tenses of ten sentences you take from the article. Learn the matrix clues below.

1. Charged and moving particles produce a magnetic field (present tense)

2. When the speed of a charged particle changes, an electromagnetic field is generated (present tense)

3. Electromagnetic fields, often called EM fields, are generated when charged particles, such as electrons, are accelerated (present tense)

4. This led scientists to believe that it was possible to communicate over long distances without the use of wires (past tense)

5. The radio transmitters that first used this electric arc and the associated receivers were as exciting to people in the early 20th century as the internet is today (past tense)

6. This was the beginning of what we usually call wireless communication (past tense)

7. The frequency of the buffer current can range from one cycle in thousands of years at the low extremes to trillions or quadrillion cycles per second (present tense)

8. The standard unit for electromagnetic waves is hertz (present tense)

9. If the frequency F of an electromagnetic wave is specified in megahertz, and the wavelength W is specified in meters (m) (present tense)

10. Thus, a signal at 30 GHz will have a wavelength of 10 millimeters or a little less than half an inch (present tense)

F. Translation into Indonesia

Definisi Medan Elektromagnetik Partikel bermuatan dan bergerak menghasilkan medan magnet. Ketika kecepatan partikel bermuatan berubah, medan elektromagnetik dihasilkan. Medan Elektromagnetik Pengertian Medan Elektromagnetik - Tanpa kita sadari di lingkungan kita terutama peralatan rumah tangga kita, banyak sekali barang-barang yang mengandung medan elektromagnetik. Medan elektromagnetik, sering disebut medan EM, dihasilkan ketika partikel bermuatan, seperti elektron, dipercepat. Jadi, medan elektromagnetik adalah semua partikel yang bermuatan listrik dan dikelilingi oleh medan listrik juga pertama kali ditemukan pada abad ke-19, ketika fisikawan menyadari bahwa busur listrik (percikan api) dapat direproduksi dari jarak jauh dan tanpa menghubungkan kabel di antara mereka. Hal ini membuat para ilmuwan percaya bahwa adalah mungkin untuk berkomunikasi jarak jauh tanpa menggunakan kabel. Pemancar radio yang pertama kali menggunakan busur listrik ini dan penerima yang terkait sama menariknya dengan orang-orang di awal abad ke-20 seperti halnya internet saat ini. Ini adalah awal dari apa yang biasa kita sebut komunikasi nirkabel. Medan elektromagnetik (ME) biasanya dihasilkan dari arus (AC bolak-balik) dalam konduktor listrik. Frekuensi arus penyangga dapat berkisar dari satu siklus dalam ribuan tahun pada ekstrem rendah hingga triliunan atau kuadriliun siklus per detik (pada suhu yang sangat tinggi). Satuan standar untuk elektromagnetik adalah hertz. Frekuensi 1000 Hz adalah satu kilohertz (kHz). Frekuensi 1000 kHz adalah satu megahertz (MHz). Frekuensi 1000 MHz adalah satu gigahertz (GHz). Panjang gelombang elektromagnetik berhubungan dengan frekuensi. Jika frekuensi F gelombang elektromagnetik ditentukan dalam megahertz, dan W panjang gelombang ditentukan dalam meter (m). Jadi dalam ruang bebas, keduanya dihubungkan dengan rumus w = 300 / f. Misalnya, sinyal pada 100 MHz memiliki panjang gelombang 3 m, atau sekitar 10 m. Rumus yang sama ini berlaku ketika frekuensi dalam GHz dan panjang gelombang ditentukan dalam milimeter (mm). Dengan demikian, sinyal pada 30 GHz akan memiliki panjang gelombang 10 milimeter atau sedikit kurang dari setengah inci. Sulit untuk menghitung menggunakan rumus seperti itu, apalagi bagi orang yang belum mengetahuinya. Akan lebih mudah jika kita memiliki alat yang dapat mengukur medan magnet elektromagnetik. Sekarang ada alat yang berguna untuk mengukur medan elektromagnetik, yaitu Emf Tester. Anda bisa mendapatkannya melalui website Alat Ukur Indonesia. Medan energi EM disebut spektrum radiasi elektromagnetik. Secara teori, itu meluas dari panjang gelombang panjang ke panjang gelombang pendek. Sedangkan dalam fisika elektromagnetisme, medan elektromagnetik adalah medan yang terdiri dari gabungan dua medan vektor yang berhubungan, yaitu: medan listrik dan medan magnet

G. Please sum-up the article by explaining the reason why author use the tenses.

We use the simple present tense because simple means "there is an event." Well, if it's present, it means "now." In essence, the simple present tense is a sentence with a verb form that expresses events that are taking place in the present.

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