PHYSICS KSSM F5: CHAPTER 4.1
Quiz
•
Physics
•
11th - 12th Grade
•
Practice Problem
•
Hard
UMAIR MOHAMAD
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_______ is a resultant magnetic field produced by the interaction between the magnetic field from a current-carrying conductor and the magnetic field from a permanent magnet
_______ ialah medan magnet paduan yang dihasilkan oleh interaksi antara medan magnet daripada konduktor pembawa arus dengan medan magnet daripada magnet kekal
Catapult field
Medan lastik
Resultant force
Daya paduan
Electromagnetism
Keelektromagnetan
Direct current
Arus terus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fleming’s left hand rule is used to determine the direction of _______ on a current-carrying conductor.
Petua tangan kiri Fleming digunakan untuk menentukan arah bagi _______ pada konduktor pembawa arus.
Current
Arus
Magnetic field
Medan magnet
Force
Daya
Magnetic flux
Fluks magnet
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following are factors that affect the magnitude of the force acting on a current-carrying conductor EXCEPT
Berikut adalah faktor-faktor yang mempengaruhi magnitud daya yang bertindak atas konduktor pembawa arus KECUALI
Magnitude of the current
Magnitud arus
The strength of the magnetic field
Kekuatan medan magnet
diameter of wire
diameter wayar
polarity of permanent magnet
kekutuban magnet kekal
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are ways to increase the magnitude of force acting on a wire?
Yang manakah antara berikut merupakan cara untuk meningkatkan magnitud daya yang bertindak atas wayar?
Increase the cross-sectional area on the conductor
Meningkatkan luas keratan rentas bagi conductor
Increase the current
Meningkatkan arus
Using a stronger magnet
Menggunakan magnet yang lebih kuat
Use longer wire
Guna wayar yang lebih panjang
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Inside a direct current motor, what is the function of the carbon brush?
Dalam motor arus terus, apakah fungsi bagi berus karbon?
To conduct electricity from the external circuit to the coil
Untuk mengkonduksi elektrik daripada litar luar kepada gegelung
Change the direction of the current in the coil
Mengubah arah bagi arus dalam gegelung
To generate a magnetic field through the coil
Untuk menghasilkan medan magnet melalui gegelung
Allow the commutator to rotate continuously
Membenarkan komutator berputar dengan berterusan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the commutator inside of a direct current motor?
Apakah fungsi bagi komutator dalam motor arus terus?
Allow the commutator to rotate continuously
Membenarkan komutator berputar dengan berterusan
Change the direction of the current in the coil
Mengubah arah bagi arus dalam gegelung
To generate a magnetic field through the coil
Untuk menghasilkan medan magnet melalui gegelung
To conduct electricity from the external circuit to the coil
Untuk mengkonduksi elektrik daripada litar luar kepada gegelung
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following are factors that affect the speed of rotation of an electric motor EXCEPT
Berikut adalah faktor yang mempengaruhi kelajuan putaran suatu motor elektrik KECUALI
Type of motor used
Jenis motor yang digunakan
Current in the coil
Arus dalam gegelung
Strength of magnetic field
Kekuatan medan magnet
Number of turn
Bilangan lilitan
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