Q.

Magnetic field due to current carrying conductor depends on:

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a

Length of the conductor

b

(A) and (B) both

c

Current flowing through a conductor

d

Distance from the conductor

answer is D.

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Detailed Solution

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  • The magnetic field at a point p, where r is the distance between the point p and the conductor and I is the current in the conductor, is determined by the Biot-Savart law.
  • B  = μ04π = IdI × rr3
  • As a result, the magnetic field produced by a conductor carrying current is dependent on both the conductor's distance and the current flowing through it.
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