WorksheetsSains Tingkatan 3 - Elektrik dan kemagnetan (6.1 & 6.2)
Total questions: 10
Worksheet time: 5mins
Manakah antara berikut merupakan sumber tenaga yang boleh diperbaharui?
Which of the following is a source of renewable energy?
Arang batu
Coal
Tenaga nuklear
Nuclear energy
Gas asli
Natural gas
Tenaga geoterma
Geothermal energy
Stesen jana kuasa yang manakah menggunakan kayu api sebagai sumber tenaga?
Which power station uses firewood as the energy sources?
Nuklear
Nuclear
Biojisim
Biomass
Terma
Thermal
Hidroelektrik
Hydroelectric
Yang manakah stesen janakuasa yang menunjukkan perubahan bentuk tenaga berikut ?
Tenaga keupayaan graviti →Tenaga kinetik→Tenaga elektrik
Which of the station that shows the following energy changes ?
Gravitational potential energy → → Kinetic energy → electrical energy
Nuklear
Nuclear
Terma
Thermal
Biojisim
Biomass
Hidroelektrik
Hidroelectric
Contoh sumber tenaga elektrik menggunakan arus ulang alik ialah _________________
The example of source of electrical energy uses alternating current is ______________________
Penjana
Generator
Bateri
Battery
Sel suria
Solar cell
Akumulator
Accumulator
Apakah transformer?
What is a transformer?
Alat yang digunakan untuk menaikkan voltan bagi arus ulang alik
The appliances that uses to increase the voltage of alternating current
Alat yang digunakan untuk menurunkan voltan bagi arus ulang alik
The appliances that uses to decrease the voltage of alternating current
Alat yang digunakan untuk menaikkan atau menurunkan voltan bagi arus ulang alik
The appliances that uses to increase or decrease the voltage of alternating current
Alat yang digunakan untuk menaikkan atau menurunkan voltan bagi arus terus
The appliances that uses to increase or decrease the voltage of direct current
Antara berikut, yang manakah benar tentang arus terus?
Which of the following is true about the direct current?
Dijanakan di stesen janakuasa
Generated in power station
Mengalir dalam dua arah
Flows in two directions
Voltannya boleh diturun dan dinaikkan
Its voltage can be increased and decreased
Dihasilkan oleh sel suria
Produced by a solar cell
Rajah di bawah menunjukkan satu transformer yang disambung kepada bekalan kuasa 5 volt. Ramalkan nilai output bagi transformer tersebut.
The diagram below shows a transformer a connected to a 5 volt power supply. Predict the value of the output voltage of the transformer.
5 V
7 V
Kurang daripada 5 V
Less than 5 V
Lebih daripada 5V
More than 5 V
Transformer terdiri daripada :
Transformer consists of :
Teras besi lembut berlamina sahaja
Laminated iron core only
Teras besi lembut berlamina dan gegelung primer sahaja
Laminated iron core and primary coil only
Teras besi lembut berlamina, gegelung primer dan gegelung sekunder
Laminated iron core and primary coil, primary coil and secondary coil
Teras besi lembut berlamina, gegelung primer, gegelung sekunder dan magnet
Laminated iron core and primary coil, primary coil, secondary coil and magnet
Apakah ciri-ciri transformer injak turun?
What is a characteristic of step down transformer?
Bilangan lilitan gegelung primer lebih banyak daripada bilangan lilitan gegelung sekunder
Number of turns in primary coil is more than number of turns in secondary coil.
Bilangan lilitan gegelung sekunder lebih banyak daripada bilangan lilitan gegelung primer
Number of turns in secondary coil is more than number of turns in primary coil.
Voltan input kurang daripada voltan output.
Input voltage is less than output voltage
Apakah jenis transformer ini?
What is a type of this transformer?
Transformer injak naik
Step up transformer
Transformer injak turun
Step down transformer
Transformer injak naik turun
Step up down transformer
