Electrodynamic for grade 9

Electrodynamic for grade 9

9th Grade

20 Qs

quiz-placeholder

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Electrodynamic for grade 9

Electrodynamic for grade 9

Assessment

Quiz

Science

9th Grade

Medium

Created by

Ruth S.Pd

Used 3+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

A smartphone is being charged by 220 V of mains electricity with current of 2 A for 30 minutes. What is the electrical consumed?

(Sebuah smartphone sedang diisi daya dengan listrik 220 V dengan arus 2 A selama 30 menit. Berapakah daya listrik yang digunakan?)

792.000 J

3.000 J

13.000 J

192.000 J

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

A long metal wire is connected to a battery with potential difference of 1.5 V. The current flowing in wire measured to be 30 A. What is the resistance of the wire?

(Sebuah kawat logam panjang dihubungkan ke baterai dengan beda potensial 1,5 V. Arus yang mengalir dalam kawat diukur sebesar 30 A. Berapakah resistansi kawat tersebut?)

0,1 Ω

0,2 Ω

0,02 Ω

0,05 Ω

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

In a house there are 5 lamps of 100 watts each, turned on for 5 hours a day, and a 150 watt TV on 6 hours a day. the price of each kWh is IDR 500, 00, the cost to be paid for one month (30 days)

Pada sebuah rumah terdapat 5 lampu masing masing 100 watt, menyala selama 5 jam sehari, dan Tv 150 watt menyala 6 jam sehari. harga tiap kWh Rp 500, 00, biaya yang harus dibayar satu bulan (30 hari)

Rp 49.000,00

Rp 50.000,00

Rp 51.000,00

Rp 52.000,00

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

An electric iron is installed at a voltage of 220 V and a current strength of 2 A. How much energy is required for 10 minutes

(Sebuah setrika listrik dipasang pada tegangan 220 V dan kuat arus 2 A. Berapa energi yang diperlukan selama 10 menit)

426 Kj

246 Kj

624 Kj

264 Kj

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

An electric lamp labeled 220 V - 10 A is used for 30 minutes, then the amount of energy required by the lamp is

(Sebuah lampu listrik bertuliskan 220 V - 10 A digunakan selama 30 menit, maka besarnya energi yang diperlukan lampu adalah)

1.980.000 J

3.960.000 J

5.940.000 J

7.920.000 J

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

A 200 W heating element is made of wire with a resistance of 20 Ω per meter of length. If the device is installed at a voltage of 100 V, calculate the length of wire needed to create a heat element of 10 m2

(Sebuah elemen pemanas 200 W terbuat dari kawat dengan hambatan 20 ohm tiap meter panjangnya. Jika alat tersebut dipasang pada tegangan 100 V, hitung panjang kawat yang diperlukan untuk membuat elemen panas seluas 10 m2)

10 m

15 m

20 m

25 m

7.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

A family subscribes to PLN electricity with a power limit of 900 VA. In the house, there are 2 20-watt TL lamps that burn 5 hours per day, 5 25-watt LED lamps that burn 6 hours per day, a 250-watt electric iron that burns 2 hours per day, a 200-watt television that burns 10 hours per day, and a 10-watt fan that burns 4 hours per day. The electricity tariff is Rp 1,352.00 per kWh and the fixed load fee is Rp 20,000.00 per month. How many accounts should be brought

(Sebuah keluarga berlangganan listrik PLN dengan batas daya 900 VA. Di dalam rumah tersebut terdapat 2 buah lampu TL 20 watt yang menyala 5 jam per hari, 5 buah lampu LED 25 watt yang menyala 6 jam per hari, setrika listrik 250 watt yang menyala 2 jam per hari, televisi 200 watt yang menyala 10 jam per hari, dan kipas angin 10 watt yang menyala 4 jam per hari. Tarif listrik adalah Rp 1.352,00 per kWh dan biaya beban tetap Rp 20.000,00 per bulan. Berapa banyak rekening yang harus dibawa )

Rp 141.554,00

Rp 161.554,00

Rp 181.554,00

Rp 201.554,00

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