7. Which of the following would increase the torque produced on a coil of curren

Question

7. Which of the following would increase the torque produced on a coil of current carrying wire? (choose all that are correct)

(a) Increasing the number of turns in the coil. (b) Decreasing the current in the loop.

(c) Increasing the area of the loop.

(d) Decreasing the magnetic field strength.

8. A loop of wire carrying current lies in the x y plane. A uniform magnetic field points in the +z direction. What direction will the torque exerted on the loop point?

(a) the torque will be zero

(b) zˆ

(c) zˆ

(d) yˆ

(e) yˆ

(f) xˆ

(g) xˆ

9. If a current runs through a wire in the direction of zˆ, and a magnetic field points in the direction of yˆ. What direction will the force exerted on the wire point?

(a) the force will be zero

(b) z

ˆ (c) zˆ

(d) yˆ

(e) yˆ

(f) xˆ

(g) xˆ

10. If a current runs through a wire in the direction of xˆ, and a magnetic field points in the direction of xˆ. What direction will the force exerted on the wire point?

(a) the force will be zero

(b) z

ˆ (c) zˆ

(d) yˆ

(e) y

ˆ (f) xˆ

(g) xˆ

Explanation / Answer

7.

a) Increasing the number of turns in the coil.

(c) Increasing the area of the loop.

8.(a) the torque will be zero

9. g) xˆ

10. (a) the force will be zero

Related Questions

Navigate

• Browse (All)
• Browse 7
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.