Calculating the Magnetic Force Perpendicular to a Current-Carrying Wire

 High School Physics Skills Practice
  • 1.

    A straight wire of length 5.00 m carries a current of 3.00 A in a direction perpendicular to a magnetic field of strength of 0.200 T. Calculate the magnetic force experienced by the wire.

    Answers:

    • 4.50 N

    • 3.00 N

    • 6.00 N

    • 1.50 N

  • 2.

    There is a uniform magnetic field of strength of 0.100 T. A 10.0 m straight wire carries a current of 0.500 A in a direction that is perpendicular to the magnetic field. What is the magnetic force that the wire feels?

    Answers:

    • 0.750 N

    • 0.500 N

    • 0.900 N

    • 0.600 N

  • 3.

    Determine the magnetic force that a straight wire of length 6.00 m feels when it carries a current of 4.50 A in a direction perpendicular to a uniform magnetic field of strength 1.00 T.

    Answers:

    • 25.0 N

    • 20.0 N

    • 27.0 N

    • 30.0 N

  • 4.

    What is the magnetic force experienced by a 2.20 m straight wire that carries a current of 10.0 A in a direction normal to a magnetic field of strength 0.250 T?

    Answers:

    • 2.25 N

    • 5.50 N

    • 22.0 N

    • 11.0 N

  • 5.

    A uniform magnetic field of strength 0.400 T is applied in a direction normal to the direction in which a current of 5.00 A flows in a straight wire of length 1.50 m. Find the magnetic force experienced by the wire.

    Answers:

    • 3.00 N

    • 6.00 N

    • 1.50 N

    • 9.00 N

  • 6.

    Compute the magnetic force experienced by a 3.20 m straight wire carrying a current of 15.0 A in a direction normal to a uniform magnetic field of strength 0.600 T.

    Answers:

    • 7.20 N

    • 28.8 N

    • 14.4 N

    • 57.6 N

  • 7.

    A uniform magnetic field of strength 0.0100 T is applied normal to the direction of a 20.0 A current that flows in a 5.40 m straight wire. Compute the magnetic force felt by the wire?

    Answers:

    • 1.08 N

    • 0.540 N

    • 2.16 N

    • 4.32 N

  • 8.

    Calculate the magnetic force felt by an 8.50 m wire if it carries a current of 20.0 A in a direction normal to a uniform magnetic field of strength 0.800 T.

    Answers:

    • 180 N

    • 172 N

    • 136 N

    • 154 N

  • 9.

    A straight wire of length 2.40 m carries a current of 25.0 A in a uniform magnetic field of strength 0.820 T. Compute the magnetic force felt by the wire if it is placed perpendicular to the direction of the magnetic field.

    Answers:

    • 98.4 N

    • 64.8 N

    • 32.8 N

    • 49.2 N

  • 10.

    A straight wire of length 8.00 m carries a current of 2.00 A in a direction perpendicular to a magnetic field of strength of 0.100 T. Calculate the magnetic force experienced by the wire.

    Answers:

    • 1.60 N

    • 3.20 N

    • 4.80 N

    • 0.800 N

  • 11.

    There is a uniform magnetic field of strength of 0.160 T. A 20.0 m straight wire carries a current of 0.400 A in a direction that is perpendicular to the magnetic field. What is the magnetic force that the wire feels?

    Answers:

    • 1.28 N

    • 2.56 N

    • 0.128 N

    • 12.8 N

  • 12.

    Determine the magnetic force that a straight wire of length 0.280 m feels when it carries a current of 7.50 A in a direction perpendicular to a uniform magnetic field of strength 2.00 T.

    Answers:

    • 4.20 N

    • 8.40 N

    • 2.10 N

    • 16.8 N

  • 13.

    What is the magnetic force experienced by a 2.50 m straight wire that carries a current of 0.800 A in a direction normal to a magnetic field of strength 0.750 T?

    Answers:

    • 1.50 N

    • 0.750 N

    • 6.00 N

    • 3.00 N

  • 14.

    A uniform magnetic field of strength 0.600 T is applied in a direction normal to the direction in which a current of 2.60 A flows in a straight wire of length 6.30 m. Find the magnetic force experienced by the wire.

    Answers:

    • 4.86 N

    • 9.07 N

    • 4.32 N

    • 9.83 N

  • 15.

    Compute the magnetic force experienced by a 0.760 m straight wire carrying a current of 20.0 A in a direction normal to a uniform magnetic field of strength 0.200 T.

    Answers:

    • 3.04 N

    • 6.08 N

    • 1.52 N

    • 3.40 N

  • 16.

    A uniform magnetic field of strength 0.0400 T is applied normal to the direction of a 10.0 A current that flows in a 5.60 m straight wire. Compute the magnetic force felt by the wire?

    Answers:

    • 4.08 N

    • 2.24 N

    • 4.48 N

    • 2.04 N

  • 17.

    Calculate the magnetic force felt by an 0.400 m wire if it carries a current of 12.0 A in a direction normal to a uniform magnetic field of strength 0.120 T.

    Answers:

    • 0.576 N

    • 0.476 N

    • 0.436 N

    • 0.526 N

  • 18.

    A straight wire of length 6.00 m carries a current of 0.600 A in a uniform magnetic field of strength 0.500 T. Compute the magnetic force felt by the wire if it is placed perpendicular to the direction of the magnetic field.

    Answers:

    • 0.900 N

    • 1.80 N

    • 5.40 N

    • 3.60 N

  • 19.

    A straight wire of length 0.600 m carries a current of 4.00 A in a direction perpendicular to a magnetic field of strength of 0.600 T. Calculate the magnetic force experienced by the wire.

    Answers:

    • 1.56 N

    • 1.44 N

    • 1.04 N

    • 1.96 N

  • 20.

    There is a uniform magnetic field of strength of 0.150 T. A 0.900 m straight wire carries a current of 0.700 A in a direction that is perpendicular to the magnetic field. What is the magnetic force that the wire feels?

    Answers:

    • 0.0925 N

    • 0.0975 N

    • 0.0945 N

    • 0.0965 N

  • 21.

    Determine the magnetic force that a straight wire of length 5.00 m feels when it carries a current of 7.80 A in a direction perpendicular to a uniform magnetic field of strength 0.250 T.

    Answers:

    • 9.75 N

    • 19.8

    • 4.98 N

    • 4.50 N

  • 22.

    What is the magnetic force experienced by a 2.60 m straight wire that carries a current of 12.0 A in a direction normal to a magnetic field of strength 0.240 T?

    Answers:

    • 7.49 N

    • 7.28 N

    • 7.86 N

    • 7.56 N

  • 23.

    A uniform magnetic field of strength 0.840 T is applied in a direction normal to the direction in which a current of 0.860 A flows in a straight wire of length 6.00 m. Find the magnetic force experienced by the wire.

    Answers:

    • 2.16 N

    • 4.33 N

    • 17.3 N

    • 8.66 N

  • 24.

    Compute the magnetic force experienced by a 4.00 m straight wire carrying a current of 10.0 A in a direction normal to a uniform magnetic field of strength 0.300 T.

    Answers:

    • 24.0 N

    • 15.0 N

    • 30.0 N

    • 12.0 N

  • 25.

    A uniform magnetic field of strength 0.0150 T is applied normal to the direction of a 40.0 A current that flows in a 7.00 m straight wire. Compute the magnetic force felt by the wire?

    Answers:

    • 4.80 N

    • 4.40 N

    • 4.60 N

    • 4.20 N

  • 26.

    Compute the magnetic force experienced by a 4.40 m straight wire carrying a current of 13.0 A in a direction normal to a uniform magnetic field of strength 0.260 T.

    Answers:

    • 21.6 N

    • 14.9 N

    • 29.8 N

    • 7.45 N

  • 27.

    A straight wire of length 10.5 m carries a current of 24.0 A in a uniform magnetic field of strength 0.260 T. Compute the magnetic force felt by the wire if it is placed perpendicular to the direction of the magnetic field.

    Answers:

    • 131 N

    • 65.5 N

    • 33.5 N

    • 56.6 N

  • 28.

    A straight wire of length 6.40 m carries a current of 1.20 A in a direction perpendicular to a magnetic field of strength of 0.600 T. Calculate the magnetic force experienced by the wire.

    Answers:

    • 4.78 N

    • 4.07 N

    • 4.61 N

    • 4.34 N

  • 29.

    There is a uniform magnetic field of strength of 0.300 T. A 20.5 m straight wire carries a current of 0.600 A in a direction that is perpendicular to the magnetic field. What is the magnetic force that the wire feels?

    Answers:

    • 3.76 N

    • 3.69 N

    • 3.03 N

    • 3.33 N

  • 30.

    Determine the magnetic force that a straight wire of length 2.60 m feels when it carries a current of 4.40 A in a direction perpendicular to a uniform magnetic field of strength 0.400 T.

    Answers:

    • 4.58 N

    • 4.52 N

    • 4.20 N

    • 4.32 N

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