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Find the magnetic field when a circular conductor of very high radius is subjected to a current of 12A and the point P is at the centre of the conductor.
  • a)
    1
  • b)
  • c)
    0
  • d)
    -∞
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Find the magnetic field when a circular conductor of very high radius ...
Answer: c
Explanation: The magnetic field of a circular conductor with point on the centre is given by I/2a. If the radius is assumed to be infinite, then H = 12/2(∞) = 0.
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Most Upvoted Answer
Find the magnetic field when a circular conductor of very high radius ...
The magnetic field at the center of a circular conductor can be calculated using the formula:

B = μ0I/2R

where B is the magnetic field, μ0 is the permeability of free space (4π x 10^-7 T*m/A), I is the current, and R is the radius of the conductor.

Since the radius of the conductor is very high, we can assume that it is infinitely large, and therefore R can be considered as infinity.

In this case, the magnetic field at the center of the conductor is:

B = μ0I/2R = μ0I/2∞ = 0

Therefore, the magnetic field at point P is zero.
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Find the magnetic field when a circular conductor of very high radius is subjected to a current of 12A and the point P is at the centre of the conductor.a)1b)∞c)0d)-∞Correct answer is option 'C'. Can you explain this answer?
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