What happens to the induced potential difference when a conductor is moved upwards through a magnetic field?
Electromagnetic Induction and Generators

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Physics, Science, Engineering
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10th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It changes direction.
It remains the same.
It decreases in size.
It increases in size.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the generator effect, what does the induced current do in relation to the original change?
It has no effect on the original change.
It opposes the original change.
It reverses the original change.
It enhances the original change.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of slip rings in an alternator?
To ensure current flows in one direction.
To allow current to flow in both directions.
To increase the speed of rotation.
To decrease the size of the current.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a dynamo differ from an alternator in terms of current production?
A dynamo produces alternating current.
A dynamo produces current in both directions.
A dynamo produces no current.
A dynamo produces direct current.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What device in a dynamo ensures that current flows in one direction only?
Magnetic field
Slip rings
Brushes
Split ring commutator
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