A conductor of length 1m carrying current of 1A is placed parallel to a magnetic field of 1 Gauss. The magnetic force acting on the conductor is:
Correct answer: A. Zero
- A. Zero
- B. 1 Newton
- C. 10-4 Newton
- D. 1 dyne
Explanation
The formula of Magnetic force is F=BIL sinθ F=1x 1 x 1 x 0 = 0 Since the wire is placed parallel to the magnetic field, No force acts on the conductor. Sin 0 = 0 If the wire was placed perpendicular to the magnetic field then sin 90= 1 and the answer would be 1 Newton. F=BIL sinθ F= 1 x 1 x 1 x 1 = 1 Newton Dyne is also a unit of force in the CGS system. 1 Dyne= 10-4 Newton
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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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