TRANSMISSION AND DISTRIBUTION OF ELECTRICITY

TRANSMISSION AND DISTRIBUTION OF ELECTRICITY

12th Grade

7 Qs

quiz-placeholder

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TRANSMISSION AND DISTRIBUTION OF ELECTRICITY

TRANSMISSION AND DISTRIBUTION OF ELECTRICITY

Assessment

Quiz

Physics

12th Grade

Medium

Created by

Nur Suhaimi

Used 82+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is alternating current used instead of direct current in the transmission of electricity through long distances?

Mengapa arus ulangalik digunakan dan bukan arus terus dalam penghantaran elektrik jarak jauh?

Only alternating current can flow through the cables.

Hanya arus ulangalik boleh mengalir melalui kabel.

Alternating current voltage can be stepped up or stepped down by using transformers.

Arus ulangalik boleh dianjak naik atau dianjak turun dengan menggunakan transformer.

Most of the electrical appliances work only with alternating current.

Kebanyakan peralatan elektrik dapat berfungsi hanya dengan arus ulangalik.

Generating direct current is more complicated than generating alternating current.

Penjanaan arus terus adalah lebih rumit daripada penjanaan arus ulangalik.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the transmission of electricity through cable, the energy loss is directly proportional to

Dalam penghantaran elektrik menerusi kabel, kehilangan tenaga adalah berkadar terus dengan

the radius of the cable.

jejari kabel.

the resistance of the cable.

rintangan kabel.

the current flowing in the cable.

arus yang mengalir dalam kabel.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The function of the transformer in the transmission of electricity is to

Fungsi transformer dalam penghantaran elektrik ialah untuk

increase the resistance.

menambahkan rintangan

change the voltage.

menukar voltan.

reduce the time to transmit the electricity.

mengurangkan masa untuk menghantar elektrik.

increase the power.

menambahkan kuasa

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The efficiency of transmitting electrical power by cable through great distance can be improved by

Kecekapan penghantaran kuasa elektrik menggunakan kabel melalui jarak yang besar boleh ditingkatkan dengan

lowering the voltage and using thick cable.

turunkan voltan dan gunakan kabel yang tebal.

lowering the voltage and using big current.

turunkan voltan dan gunakan arus yang besar.

increasing the voltage and using thin cable.

tambahkan voltan dan gunakan kabel yang nipis.

increasing the voltage and using thick cable.

tambahkan voltan dan gunakan kabel yang tebal.

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

The power loss can be reduced by:

Reducing the resistance of the cables

Reducing the current in the cable

Reducing the voltage in the cable

Increasing the voltage in the cable

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

The example of non-renewable energy:

coal

natural gas

solar

petroleum

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

The example of renewable energy:

water

battery

wind

biomass