Do you know what affects the direction of magnetic fields?
Electromagnetism and Magnetic Forces Quiz
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Question 1 of 14Question 1
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Fill in the blank: A current flowing through a wire causes a field.
CorrectIncorrectUse one of the following words:
magnetic
volcanic
electric
solar
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Question 2 of 14Question 2
Which device can you use to find the direction of a magnetic field?
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Question 3 of 14Question 3
With electromagnetism the direction of the current depends on which of the following?
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Question 4 of 14Question 4
If a current travelling along a wire changes direction, does the magnetic field also change direction?
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Question 5 of 14Question 5
This diagram shows the direction of a magnetic field caused by a current flowing through a conductor. Where is the magnetic field strongest?
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Question 6 of 14Question 6
A coil of wire with current flowing through it is an electromagnet. What else do we call a coil of wire?
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Question 7 of 14Question 7
The diagram shows a solenoid. Why is the magnetic field stronger along the centre of the coil than on the outside?
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Question 8 of 14Question 8
Which of the following are ways that a magnetic field of an electromagnet can be made stronger?
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Question 9 of 14Question 9
A current carrying conductor placed near a magnet experiences a force. The magnet also experiences a force, which is the best description of this force?
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Question 10 of 14Question 10
Why would a wire carrying a current experience a force near a magnetic field?
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Question 11 of 14Question 11
This image shows Flemming’s Left Hand Rule. Which of the following answers are the correct interpretations of the rule?
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Question 12 of 14Question 12
A wire carrying current experiences a force near a magnetic field. The size of the force is dependent on which three quantities?
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Question 13 of 14Question 13
The force on a conductor carrying current at right angles to a magnetic field is expressed by which of the following equations?
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Question 14 of 14Question 14
What is the force acting on a conductor carrying current at right angles to a magnetic field when: magnetic flux density = 0.005 T , current = 3 A and length of wire = 150m?
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Electromagnetism and Magnetic Forces
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