What is the role of negative electrons in wires?
Corriente eléctrica (física)

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Science, Engineering, Physics
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4th - 9th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They neutralize positive charges.
They block the flow of current.
They are the carriers of current.
They create resistance.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is current produced in liquids?
By the movement of charged ions.
By the movement of neutral particles.
By the movement of electrons only.
By the movement of protons only.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction does the conventional current flow?
Opposite to the motion of positive charge.
In the direction of the motion of positive charge.
In the direction of the motion of negative charge.
Opposite to the motion of negative charge.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What instrument is used to measure electric current?
Voltmeter
Ohmmeter
Ammeter
Thermometer
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one ampere equivalent to?
One coulomb of charge passing through a point per second.
One coulomb of charge passing through a point per minute.
One ohm of resistance.
One volt of potential difference.
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