Everyday Science
NULL
Medium
Question
In the open space inside an ideal toroid, the magnetic field is __________?
A
zero
✓ Official correct answer
B
one
C
Depends on the current in the turns
D
Depends on number of turns
Community credibility
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A
zero
No member explanations yet for this option.
B
one
No member explanations yet for this option.
C
Depends on the current in the turns
No member explanations yet for this option.
D
Depends on number of turns
No member explanations yet for this option.
Explanation
For an ideal toroid the field outside the core (open interior region of interest in exams) is taken as zero.
Hence the keyed answer is zero.
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