Physics
NULL
Medium
Question
The magnetic field strength of solenoid is__________________?
A
B = μNI
B
B = μN/I
C
B = μnI
✓ Official correct answer
D
Both B and C
Community credibility
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A
B = μNI
No member explanations yet for this option.
B
B = μN/I
No member explanations yet for this option.
C
B = μnI
No member explanations yet for this option.
D
Both B and C
No member explanations yet for this option.
Explanation
The magnetic field inside a solenoid is given by B = μnI, where n is the number of turns per unit length and I is the current.
So the correct answer is B = μnI.
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