Faraday’s Law of Electromagnetic Induction (Grade 11 NSC Matric Physical Sciences): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What condition is necessary for electromagnetic induction to occur with a magnet near a wire?
What condition is necessary for electromagnetic induction to occur with a magnet near a wire?
The magnet must be moving
What is the SI unit of magnetic flux?
What is the SI unit of magnetic flux?
Weber (Wb)
In the formula , what does represent?
In the formula , what does represent?
Angle between and normal to loop
Which formula correctly represents Faraday's Law of electromagnetic induction?
Which formula correctly represents Faraday's Law of electromagnetic induction?
When calculating magnetic flux, which area should be used?
When calculating magnetic flux, which area should be used?
Area enclosed by the wire
What does the induced current do according to Lenz's Law?
What does the induced current do according to Lenz's Law?
Opposes the change taking place
When a north pole approaches a solenoid, what pole forms at the nearest end?
When a north pole approaches a solenoid, what pole forms at the nearest end?
North pole to repel it
What tool determines the direction of induced current in electromagnetic induction?
What tool determines the direction of induced current in electromagnetic induction?
Right Hand Rule
Which device uses Faraday's Law to transfer electrical energy between circuits?
Which device uses Faraday's Law to transfer electrical energy between circuits?
Transformers
What happens to magnetic flux when the field is parallel to a surface?
What happens to magnetic flux when the field is parallel to a surface?
No field lines pass through it