ELEKTROMAGNETIK

Presentation

•

Science

•

9th Grade

•

Hard

Tanti Sulistiawati

Used 1+ times

FREE Resource

3 Slides • 5 Questions

ELEKTROMAGNETIK

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Cara menimbulkan GGL induksi

menggerak gerakan magenet keluar masuk kumparan
menggerakkan kumpran pada magnet
memutar magnet pada kumparan

Multiple Choice

1. Perhatikan elektromagnet dan magnet O-P seperti gambar berikut.

Jika antara N an O tolak menolak, M- N – O – P berturut-turut adalah kutub magnet….

U – S – U – S

S-U-U-S

U-S-S-U

S-U-S-U

Multiple Choice

2.transformator step down disamping memiliki efisiensi 80% dihubungkan dengan sumber arus AC 200 V arusnya 2 A tentukan besar arus sekunder

1 A

2 A

3 A

4 A

6 A

Multiple Select

3. Ciri-ciri trafo step-down adalah . . .

N_s> N_p

N_s < N_p

I_s < I_p

I_s > I_p

V_p > V_s

Multiple Choice

4.Induksi elektromagnetik adalah . . .

Gejala timbulnya gaya gerak listrik (GGL) dalam suatu penghantar akibat adanya perubahan fluks magnetik.

Gejala perubahan fluks medan magnet akibat perubahan arus listrik

Gejala terjadinya arus listrik akibat adanya perbedaan potensial pada ujung-ujung kumparan

Gejala munculnya beda potensial (tegangan) pada suatu penghantar karena perubahan arus listrik dalam kumparan

Gejala timbulnya gaya gerak listrik akibat adanya perubahan arus listrik

Multiple Choice

Perhatikan data berikut berikut:

(1) jumlah lilitan kumparan

(2) laju perubahan fluks magnet

(3) arah medan magnet

Faktor faktor yang mempengaruhi GGL induksi pada kumparan adalah...

1 dan 3

1 dan 2

2 saja

2 dan 3

ELEKTROMAGNETIK

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