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To change the direction of current in a motor, current is conducted
Electric Motor
Is creates electric current through motion of a magnetic field. In transformers, AC switches from one coil to another.
Magnetic Poles
currents
Change
Voltage
Electromagnet
through the brushes to the commutator.
What is electromagnetic induction?
Electric Motor
Is creates electric current through motion of a magnetic field. In transformers, AC switches from one coil to another.
Magnetic Poles
currents
Change
Voltage
Electromagnet
through the brushes to the commutator.
The armature spins continuously in a what?
Electric Motor
Is creates electric current through motion of a magnetic field. In transformers, AC switches from one coil to another.
Magnetic Poles
currents
Change
Voltage
Electromagnet
through the brushes to the commutator.
A galvanometer is a device that measures small what?
Electric Motor
Is creates electric current through motion of a magnetic field. In transformers, AC switches from one coil to another.
Magnetic Poles
currents
Change
Voltage
Electromagnet
through the brushes to the commutator.
As Earth's magnetic poles move, the magnetic declination in a given location will do what?
Electric Motor
Is creates electric current through motion of a magnetic field. In transformers, AC switches from one coil to another.
Magnetic Poles
currents
Change
Voltage
Electromagnet
through the brushes to the commutator.
What's a strong magnet that can be turned on and off?
Electric Motor
Is creates electric current through motion of a magnetic field. In transformers, AC switches from one coil to another.
Magnetic Poles
currents
Change
Voltage
Electromagnet
through the brushes to the commutator.
What does every magnet have ?
Electric Motor
Is creates electric current through motion of a magnetic field. In transformers, AC switches from one coil to another.
Magnetic Poles
currents
Change
Voltage
Electromagnet
through the brushes to the commutator.
What does a step-up transformer increase?
Electric Motor
Is creates electric current through motion of a magnetic field. In transformers, AC switches from one coil to another.
Magnetic Poles
currents
Change
Voltage
Electromagnet
through the brushes to the commutator.
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