Magnetic Fields and Current Direction
Interactive Video
•
Physics, Science, Other
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What rule can be used to determine the direction of magnetic lines of force around a straight conductor?
Left-hand rule
Fleming's left-hand rule
Right-hand thumb rule
Ampere's rule
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the experiment with a circular loop, what pattern do the iron filings form?
Random clusters
Straight lines
Circular patterns
Square grids
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the direction of current in each arm of a circular loop affect the magnetic lines of force?
They form a spiral
They cancel each other out
They are opposite to each other
They are in the same direction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the magnetic field intensity as the distance from the center of a circular coil increases?
It fluctuates
It decreases
It remains constant
It increases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of increasing the current through a circular coil on the magnetic field intensity?
The intensity fluctuates
The intensity increases
The intensity remains the same
The intensity decreases
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does increasing the radius of a circular coil affect the magnetic field intensity?
The intensity increases
The intensity fluctuates
The intensity decreases
The intensity remains constant
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characteristic of a coil makes it behave like a magnet?
Its temperature
Its material
Its shape
The current flowing through it
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