Electrical Motors

Interactive Video
•
Physics
•
12th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a wire carrying an electric current is placed in a perpendicular magnetic field?
It rotates around the magnetic field
It remains stationary
It interacts with the magnetic field creating motion
It is pushed in the direction of the magnetic field
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What rule is used to determine the direction of a magnetic field around a wire?
Newton's third law
Right-hand thumb rule
Maxwell's corkscrew rule
Fleming's left-hand rule
Tags
NGSS.HS-PS2-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect is observed when magnetic fields above and below the wire run in opposite directions?
The fields strengthen each other
The fields cancel each other out
The wire is pushed upwards
No effect is observed
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes the wire to be pushed vertically upwards out of the magnetic field?
The weakening of the magnetic field below the wire
The strengthening of the magnetic field above the wire
The wire being pushed away from the strong field towards the weak one
The wire attracting the magnetic fields
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the current in the wire is reversed?
The magnetic fields are neutralized
The wire stops moving
The wire experiences a force in the opposite direction
The wire moves in the same direction
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is circular motion achieved in an electric motor setup?
By increasing the magnetic field strength
By placing the wires in parallel
By reversing the current repeatedly
By linking the wires and allowing rotation
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What increases the turning force on an electric motor?
Using stronger magnets
Looping the wire around many times
Increasing the current flow
Decreasing the number of wire loops
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
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