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1. What is Gauss's law for magnetism? A. The total magnetic flux through a closed surface is equal to zero. B. The magnetic field at a point due to a current-carrying conductor is proportional to the current and inversely proportional to the distance from the conductor. C. The magnetic field at a point due to a current-carrying conductor is proportional to the length of the conductor and inversely proportional to the distance from the conductor. D. The magnetic field at a point due to a current-carrying conductor is proportional to the current and directly proportional to the distance from the conductor. E. None 2.A current-carrying wire is bent into a circular loop. What is the direction of the magnetic field inside the loop? A. Clockwise B. C. Zero D. Cannot be determined E. None Counterclockwise 3. A long, straight wire carries a current of 5 A. What is the magnetic field at a distance of 10 cm from the wire? 1.26 x 10^-6 T A. B. 3.14 x 10^-5 T C. 5.64 x 10^-5 T D. 1.13 x 10^-4 T E. None

1. What is Gauss's law for magnetism? A. The total magnetic flux through a closed surface is equal to zero. B. The magnetic field at a point due to a current-carrying conductor is proportional to the current and inversely proportional to the distance from the conductor. C. The magnetic field at a point due to a current-carrying conductor is proportional to the length of the conductor and inversely proportional to the distance from the conductor. D. The magnetic field at a point due to a current-carrying conductor is proportional to the current and directly proportional to the distance from the conductor. E. None 2.A current-carrying wire is bent into a circular loop. What is the direction of the magnetic field inside the loop? A. Clockwise B. C. Zero D. Cannot be determined E. None Counterclockwise 3. A long, straight wire carries a current of 5 A. What is the magnetic field at a distance of 10 cm from the wire? 1.26 x 10^-6 T A. B. 3.14 x 10^-5 T C. 5.64 x 10^-5 T D. 1.13 x 10^-4 T E. None

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1. What is Gauss's law for magnetism? A. The total magnetic flux through a closed surface is equal to zero. B. The magnetic field at a point due to a current-carrying conductor is proportional to the current and inversely proportional to the distance from the conductor. C. The magnetic field at a point due to a current-carrying conductor is proportional to the length of the conductor and inversely proportional to the distance from the conductor. D. The magnetic field at a point due to a current-carrying conductor is proportional to the current and directly proportional to the distance from the conductor. E. None 2.A current-carrying wire is bent into a circular loop. What is the direction of the magnetic field inside the loop? A. Clockwise B. Counterclockwise C. Zero D. E. Cannot be determined None 3. A long, straight wire carries a current of 5 A. What is the magnetic field at a distance of 10 cm from the wire? 1.26 x 10^-6 T A. B. 3.14 × 10^-5 T C. 5.64 x 10^-5 T D. 1.13 x 10^-4 T E. None 4. A square loop of side 10 cm is placed with its plane perpendicular to a uniform magnetic field of magnitude 0.2 T. What is the magnetic flux through the loop? 0.02 Wb 0.04 Wb A. B. C. D. E. 0.08 Wb 0.16 Wb None 5. A long, straight wire carries a current of 2 A. A rectangular loop of width 5 cm and length 10 cm is placed parallel to the wire with its center at a distance of 8 cm from the wire. What is the magnetic flux through the loop? A. 1.26 x 10^-6 Wb B. 6.28 × 10^-6 Wb C. 3.14 x 10^-5 Wb D. 1.57 x 10^-4 Wb E. None
Transcribed Image Text:1. What is Gauss's law for magnetism? A. The total magnetic flux through a closed surface is equal to zero. B. The magnetic field at a point due to a current-carrying conductor is proportional to the current and inversely proportional to the distance from the conductor. C. The magnetic field at a point due to a current-carrying conductor is proportional to the length of the conductor and inversely proportional to the distance from the conductor. D. The magnetic field at a point due to a current-carrying conductor is proportional to the current and directly proportional to the distance from the conductor. E. None 2.A current-carrying wire is bent into a circular loop. What is the direction of the magnetic field inside the loop? A. Clockwise B. Counterclockwise C. Zero D. E. Cannot be determined None 3. A long, straight wire carries a current of 5 A. What is the magnetic field at a distance of 10 cm from the wire? 1.26 x 10^-6 T A. B. 3.14 × 10^-5 T C. 5.64 x 10^-5 T D. 1.13 x 10^-4 T E. None 4. A square loop of side 10 cm is placed with its plane perpendicular to a uniform magnetic field of magnitude 0.2 T. What is the magnetic flux through the loop? 0.02 Wb 0.04 Wb A. B. C. D. E. 0.08 Wb 0.16 Wb None 5. A long, straight wire carries a current of 2 A. A rectangular loop of width 5 cm and length 10 cm is placed parallel to the wire with its center at a distance of 8 cm from the wire. What is the magnetic flux through the loop? A. 1.26 x 10^-6 Wb B. 6.28 × 10^-6 Wb C. 3.14 x 10^-5 Wb D. 1.57 x 10^-4 Wb E. None
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