4. A 50 cm wire experiences a magnetic force of 2.40 N. (a) What is the angle between the current and magnetic field if the mentioned wire carries an 8.00 A current and has a magnetic field of 1.20 T? (b) What is the force on the wire if it is rotated to make an angle of 90° with the field?

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Chapter1: Units, Trigonometry. And Vectors
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4. A 50 cm wire experiences a magnetic force of 2.40 N.
(a) What is the angle between the current and magnetic
field if the mentioned wire carries an 8.00 A current and
has a magnetic field of 1.20 T? (b) What is the force on
the wire if it is rotated to make an angle of 90° with the
field?
Transcribed Image Text:4. A 50 cm wire experiences a magnetic force of 2.40 N. (a) What is the angle between the current and magnetic field if the mentioned wire carries an 8.00 A current and has a magnetic field of 1.20 T? (b) What is the force on the wire if it is rotated to make an angle of 90° with the field?
5.A particle of charge -6.25 nC experiences a force of 1.25
N when it is moving at 3.75 x 104 m/s. Its motion is
perpendicular to the magnetic field produced by a
current-carrying wire, which is 3.0 cm from it. (a) What is
the magnitude of the magnetic field? (b) How much
current flows through the wire?
Transcribed Image Text:5.A particle of charge -6.25 nC experiences a force of 1.25 N when it is moving at 3.75 x 104 m/s. Its motion is perpendicular to the magnetic field produced by a current-carrying wire, which is 3.0 cm from it. (a) What is the magnitude of the magnetic field? (b) How much current flows through the wire?
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