Electric current measures how much electrical energy moves in a circuit. It quantifies the flow of electric charge (usually measured in amperes) and indicates the amount of charge passing through a point in a circuit per unit of time.
What does electric current measure?
options:
how frequently electrical energy moves in a circuit
how frequently electrical energy moves in a circuit
how much electrical energy moves in a circuit
how much electrical energy moves in a circuit
how quickly electrical energy moves in a circuit
how quickly electrical energy moves in a circuit
how well electrical energy moves in a circuit
5 answers
How is a magnetic field produced?
options:
when an electromagnetic field interacts with a magnet
when an electromagnetic field interacts with a magnet
when a current runs through a conductor
when a current runs through a conductor
when electrons move through a circuit
when electrons move through a circuit
when an object has an electric charge
options:
when an electromagnetic field interacts with a magnet
when an electromagnetic field interacts with a magnet
when a current runs through a conductor
when a current runs through a conductor
when electrons move through a circuit
when electrons move through a circuit
when an object has an electric charge
A magnetic field is produced when a current runs through a conductor. When electric current flows through a wire, it generates a magnetic field around it, according to Ampère's law.
Which statement best describes how an electromagnetic motor works?
options:
Electrons are moved through a current, creating a circuit. That circuit interacts with a magnet, moving the conductor in the orientation of the field.
Electrons are moved through a current, creating a circuit. That circuit interacts with a magnet, moving the conductor in the orientation of the field.
Electrons are moved through a magnet, creating a current. That current interacts with a circuit, moving the conductor in the orientation of the field.
Electrons are moved through a magnet, creating a current. That current interacts with a circuit, moving the conductor in the orientation of the field.
Electrons are moved through a circuit, creating a current. That current interacts with a magnet, moving the conductor in the orientation of the field.
Electrons are moved through a circuit, creating a current. That current interacts with a magnet, moving the conductor in the orientation of the field.
Electrons are moved through a magnet, creating a circuit. That circuit interacts with a current, moving the conductor in the orientation of the field.
options:
Electrons are moved through a current, creating a circuit. That circuit interacts with a magnet, moving the conductor in the orientation of the field.
Electrons are moved through a current, creating a circuit. That circuit interacts with a magnet, moving the conductor in the orientation of the field.
Electrons are moved through a magnet, creating a current. That current interacts with a circuit, moving the conductor in the orientation of the field.
Electrons are moved through a magnet, creating a current. That current interacts with a circuit, moving the conductor in the orientation of the field.
Electrons are moved through a circuit, creating a current. That current interacts with a magnet, moving the conductor in the orientation of the field.
Electrons are moved through a circuit, creating a current. That current interacts with a magnet, moving the conductor in the orientation of the field.
Electrons are moved through a magnet, creating a circuit. That circuit interacts with a current, moving the conductor in the orientation of the field.
The statement that best describes how an electromagnetic motor works is:
Electrons are moved through a circuit, creating a current. That current interacts with a magnet, moving the conductor in the orientation of the field.
This explanation highlights the relationship between electric current and the magnetic field, which is fundamental to the operation of electric motors.
3 answers