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WorksheetsKUIZ FIZIK BAB 3 KEELEKTRIKAN
Total questions: 37
Worksheet time: 20mins
The diagram below shows the reading of the voltmeter is 6.0 V when switch S is open.When switch S is closed, the voltmeter reading is 5.6 V and the ammeter reading is 0.5 A.
Rajah di bawah menunjukkan bacaan voltmeter ialah 6.0 V apabila suis S terbuka.
Apabila suis S ditutup, bacaan voltmeter ialah 5.6 V dan bacaan ammeter ialah 0.5 A.
The internal resistance of the battery is...
Rintangan dalam bateri ialah...
0.20 Ω.
0.40 Ω.
0.45 Ω.
0.80 Ω.
The diagram below shows an electrical circuit.
Rajah di bawah menunjukkan satu litar elektrik.
What is the reading of the ammeter?
Berapakah bacaan ammeter itu?
0.6 A
2.7 A
3.6 A
30.0 A
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
Diagram shows a charged conducting sphere is oscillates between two plates which are connected to an Extra High Tension (EHT) power supply.
Rajah menunjukkan satu sfera konduktor bercas berayun di antara dua plat yang telah disambung ke satu bekalan voltan lampau tinggi (VLT).
The frequency of the oscillation of the sphere will increase if
Frekuensi ayunan bebola akan bertambah jika
The distance between the plates is increased.
Jarak antara dua plat ditambah.
The size of the sphere is increased.
Saiz sfera ditambah.
The length of the thread is increased.
Panjang benang ditambah.
The voltage of the EHT is increased.
Voltan VLT ditambah.
Diagram shows a candle flame placed between two metal plates, P and Q.
Rajah menunjukkan nyalaan lilin diletakkan antara dua plat logam, P dan Q.
What happens to the candle flame when E.H.T is switch on?
Apakah berlaku kepada nyalaan lilin apabila V.L.T dihidupkan?
Moved to the Q plate only
Bergerak ke plate Q sahaja
Moved to the P plate only
Bergerak sebelah plat P sahaja
Split and more spread to Q plate
Berpecah dan tersebar lebih ke plat Q
Split and more spread to P plate
Berpecah dan tersebar lebih ke plat P
Diagram 22.1 shows the electric field pattern between two parallel charged metal plates.
Diagram 22.2 shows the pattern when the two plates are moved from each other.
Rajah 22.1 menunjukkan corak medan elektrik di antara dua plat logam selari yang bercas.
Rajah 22.2 menunjukkan corak medan bila kedua plat logam digerakkan menjauhi antara satu sama lain.
What conclusion can be made from the above observation?
Apakah kesimpulan yang boleh dibuat dari pemerhatian di atas?
The pattern of the electric field is uniform
Corak medan elektrik adalah seragam
The direction of the electric field is always from left to right
Arah medan elektrik adalah sentiasa dari kiri ke kanan
The electric field is stronger when the plates are oppositely charged
Medan elektrik bertambah kuat bila plat adalah bercas berlawanan
When the distance between the plates increases, the strength of the electric field decreases
Apabila jarak di antara plat bertambah, kekuatan medan elektrik berkurangan
Potential difference between two points is defined as
Beza keupayaan di antara dua titik ditakrifkan sebagai
Current flows is 1 A when 1 V is applied across two points
Arus 1 A mengalir apabila 1 V dikenakan merentasi dua titik
Energy released between two points when 1 C charge is flow
Tenaga dibebaskan di antara dua titik apabila cas 1 C mengalir
Power released between two points when 1 C charge is flow
Kuasa dibebaskan di antara dua titik apabila cas 1 C mengalir
Energy released between two points when 1 A current flow through two points
Tenaga dibebaskan di antara dua titik apabila arus 1 A mengalir di antara dua titik
A light bulb is labelled 240 V, 0.25 A. What is the quantity of charge that flows through the bulb when it lights up at normal brightness for 600 s?
Sebuah mentol lampu dilabel 240 V, 0.25 A. Berapakah kuantiti cas yang mengalir melalui mentol itu apabila mentol itu menyala pada kecerahan normal selama 600 s?
150 C
360 C
840 C
2400 C
Diagram shows a graph of potential difference against current flow through a conductor.
Rajah menunjukkan graf beza keupayaan melawan arus yang mengalir melalui suatu konduktor.
Gradient of graph to represent a
Kecerunan graf mewakili
Electromotive force
Daya gerak elektrik
Energy
Tenaga
Resistance
Rintangan
Power
Kuasa
Diagram shows a squirrel perched on a high voltage cable.
Gambarajah menunjukkan seekor tupai bertenggek pada kabel bervoltan tinggi.
The squirrel does not experience an electric shock because
Tupai itu tidak mengalami renjatan elektrik kerana
the potential difference between the legs is high
beza keupayaan di antara kaki adalah tinggi
the resistance of the cable between the legs is very high
rintangan kabel di antara kakinya sangat tinggi
the body of the squirrel has a low resistance
badan tupai mempunyai rintangan yang kecil
the current flowing through its body is very small.
arus yang mengalir melalui badan tupai sangat kecil
Diagram shows three resistors which are connected in series.
Rajah menunjukkan tiga perintang yang disambung secara bersiri.
Which of the following is correct?
Antara berikut, yang manakah betul?
V3 > V2 > V1
V1 = V3 > V2
V1 = V2 = V3
V1 = V3 < V2
In the following circuits, all the resistors and light bulbs are similar. In which circuit is the light bulb the brightest?
Tiap perintang dan lampu dalam litar-litar berikut adalah serupa. Lampu dalam litar yang manakah menyala dengan paling cerah?
The diagram below shows a circuit where a wire PQ is connected parallel to a voltmeter.
Litar dalam rajah di bawah menunjukkan dawai PQ telah disambung secara selari dengan voltmeter.
Which of the following statement is true?
Antara yang berikut pernyataan manakah adalah benar?
The reading of the ammeter will increase if a longer wire PQ is used.
Bacaan ammeter akan bertambah jika dawai PQ yang lebih panjang digunakan.
The reading of the voltmeter will increase if a shorter wire PQ is used.
Bacaan voltmeter akan bertambah jika dawai PQ yang lebih pendek digunakan.
The reading of the voltmeter will decrease if the rheostat is adjusted to a higher resistance value.
Bacaan voltmeter akan berkurang jika rintangan reostat dilaraskan menjadi lebih tinggi.
The reading of the voltmeter will decrease if the temperature of wire PQ is increased.
Bacaan voltmeter akan berkurang jika suhu dawai PQ bertambah.
Diagram shows a graph which shows how the potential difference, V, across the terminals of a cell changes with the current, I, through the cell.
Rajah menunjukkan graf beza keupayaan, V, merentasi terminal sebuah sel berubah dengan arus, I, melalui sel itu.
What is the internal resistance of the cell?
Berapakah rintangan dalam sel itu?
0.80 Ω
1.16 Ω
1.25 Ω
1.43 Ω
Which electrical appliances consumes the most energy?
Alat elektrik yang manakah menggunakan tenaga paling banyak?
Blender
240 V, 300 W, 10 minutes
Fan
240 V, 200 W, 3 hours
Kettle
240 V, 600 W, 15 minutes
Oven
240 V, 1500 W, 20 minutes
A housewife uses a 2 kW electric iron for 15 minutes a day. If the cost of 1 unit of electricity is 20 cents, what is the cost of using the electric iron for 30 days?
Seorang suri rumah menggunakan seterika elektrik berkuasa 2 kw selama 15 minit sehari Jika kos satu unit adalah 20 sen, berapakah kos menggunakan seterika elektrik itu selama 30
hari?
RM 2.00
RM 3.00
RM 6.00
RM 8.00
Diagram 15 shows an electric circuit consisting of three resistors and power supply 12 V.
Rajah 15 menunjukkan satu litar elekrik yang mengandungi tiga perintang dan bekalan kuasa 12V.
What is the power lost due to the resistors in the circuit?
Berapakah kuasa yang hilang disebabkan oleh perintang-perintang di dalam litar atas?
20.6 W
10.3 W
3.0 W
1.5 W
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A wire carries a steady current of 0.5 A. How much charge passes a point in the wire in 10 minutes.
Satu dawai membawa arus malar 0.5 A. Berapakah cas yang melalui suatu titik pada dawai itu dalam masa 10 minit?
5 C
30 C
300 C
1 800 C
