Asked in UHS MDCAT 2016 2016Moderate

If we double all the parameters of the force acting on the current-carrying conductor and θ = 90°, then the magnetic force becomes:

Correct answer: C. Eight-times

  • A. Half
  • B. Double
  • C. Eight-times
  • D. Four-times

Explanation

As we know, the force experienced by the current-carrying conductor is given by F=IBL (sinθ=1) F'=IBLsinθ If = 90o If all other parameters, i.e. I, B, and L, are doubled, then we can write F'=2Ix2Bx2Lsin90 F'= 8IBL F'=8F

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About Magnetic Flux Density

Magnetic flux density measures the magnetic force acting on a current carrying conductor or moving charge in a magnetic field. Work includes the relations B equals F divided by IL and F equals qvB, the tesla as its SI unit, field direction and the distinction between flux density and magnetic flux.

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