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A one metre long wire is lying at right angles to the megnetic field. A force of 1N is acting on it in a magnetic field of 0.98 testa. The current flowing in it will be

Correct answer: D. 1A

  • A. 100A
  • B. Zero
  • C. 10A
  • D. 1A

Explanation

Option D is correct.The current flowing in the wire is: I = 1A Here's the explanation: The magnetic force on a current-carrying conductor in a uniform magnetic field is given by the following equation: " F = BIL " where: F is the magnetic force (N) B is the magnetic field strength (T) I is the current flowing through the conductor (A) L is the length of the conductor (m) In this case, we have: B = 0.98 T F = 1 N L = 1 m Substituting these values into the equation above, we get: 1 N = (0.98 T)I(1 m) I = 1.02 A T=1A(approximately)Therefore, the current flowing in the wire is 1A.

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About Electromagnetism

Magnetic flux density and magnetic flux describe the strength of a magnetic field and the field passing through a surface. A charged particle moving through a magnetic field experiences a force perpendicular to its velocity and may follow circular or helical motion, depending on the angle between velocity and field.

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