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In which of the following places would you most likely hear echoes?
magnetic poles
As the distance between charged objects decreases, the electric force between them decreases
It has a north pole and a south pole.
In a step-up transformer, the secondary coil has more loops than the primary coil.
in a gymnasium
The north poles of the domains point toward the magnet.
photon
alternating current
An electric generator can produce current that changes direction in a regular pattern. This is called which of the following?
magnetic poles
As the distance between charged objects decreases, the electric force between them decreases
It has a north pole and a south pole.
In a step-up transformer, the secondary coil has more loops than the primary coil.
in a gymnasium
The north poles of the domains point toward the magnet.
photon
alternating current
Which of the following describes both an electromagnet and a permanent magnet?
magnetic poles
As the distance between charged objects decreases, the electric force between them decreases
It has a north pole and a south pole.
In a step-up transformer, the secondary coil has more loops than the primary coil.
in a gymnasium
The north poles of the domains point toward the magnet.
photon
alternating current
Which of the following statements about the forces between charged objects is not true?
magnetic poles
As the distance between charged objects decreases, the electric force between them decreases
It has a north pole and a south pole.
In a step-up transformer, the secondary coil has more loops than the primary coil.
in a gymnasium
The north poles of the domains point toward the magnet.
photon
alternating current
The location of the strongest magnetic field is the ____.
magnetic poles
As the distance between charged objects decreases, the electric force between them decreases
It has a north pole and a south pole.
In a step-up transformer, the secondary coil has more loops than the primary coil.
in a gymnasium
The north poles of the domains point toward the magnet.
photon
alternating current
A particle of electromagnetic radiation is called a _____.
magnetic poles
As the distance between charged objects decreases, the electric force between them decreases
It has a north pole and a south pole.
In a step-up transformer, the secondary coil has more loops than the primary coil.
in a gymnasium
The north poles of the domains point toward the magnet.
photon
alternating current
Which statement is true?
magnetic poles
As the distance between charged objects decreases, the electric force between them decreases
It has a north pole and a south pole.
In a step-up transformer, the secondary coil has more loops than the primary coil.
in a gymnasium
The north poles of the domains point toward the magnet.
photon
alternating current
As a nail approaches the south pole of a magnet, what happens to its magnetic domains? (Hint:opposites attract)
magnetic poles
As the distance between charged objects decreases, the electric force between them decreases
It has a north pole and a south pole.
In a step-up transformer, the secondary coil has more loops than the primary coil.
in a gymnasium
The north poles of the domains point toward the magnet.
photon
alternating current
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