Question
Download Solution PDFFor a current carrying circular coil as we move towards the center from the circumference, the magnetic field strength
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
- Biot Savart Law states that: The magnetic intensity (dB) at a point A due to current I flowing through a small element dl is Directly proportional to the current (I).
- The magnetic field at the center of the circular coil is given by
\(B = \frac{{{\mu _o}}}{{2 }}\frac{I}{r}\)
Where B = strength of the magnetic field, I = current, r = radius or distance
EXPLANATION:
- From above it is clear that the magnetic field due to the circular coil is inversely proportional to the distance.
- As we move towards the center of the coil, the magnetic field strength increases. Therefore option 1 is correct.
- This is because the two magnetic fields from either end assist each other.
- The magnetic field is maximum at the center of the coil.
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