HomeworkLib
Question

A motor run by a 9.4-V battery has a 24-turn square coil with sides of length...

A motor run by a 9.4-V battery has a 24-turn square coil with sides of length 3.2 cm and total resistance 28 Ω . When spinning, the magnetic field felt by the wire in the coil is 0.030 T .

What is the maximum torque on the motor?

Express your answer to two significant figures and include the appropriate units.

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
A motor run by a 9.4-V battery has a 24-turn square coil with sides of length...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • You have a wire of length L = 0.8 m for making a square coil of...

    You have a wire of length L = 0.8 m for making a square coil of a dc motor. The current in the coil is I = 2.1 A, and the magnetic field of the motor has a magnitude of B = 0.18 T. Find the maximum torque exerted on the coil when the wire is used to make (a) a single-turn square coil and (b) a two-turn square coil.

  • You have a wire of length L = 1.6 m for making a square coil of...

    You have a wire of length L = 1.6 m for making a square coil of a dc motor. The current in the coil is I = 1.1 A, and the magnetic field of the motor has a magnitude of B = 0.14 T. Find the maximum torque exerted on the coil when the wire is used to make (a) a single-turn square coil and (b) a two-turn square coil.

  • A 139-turn square wire coil with sides of length L = 20.3cm rotates about a vertical axis at 1210rpm, as indicated in the figure below.

    A 139-turn square wire coil with sides of length L = 20.3cm rotates about a vertical axis at 1210rpm, as indicated in the figure below. The horizontal component of the Earth's magnetic field at the location of the loop is 2.15E-5T. Calculate the maximum emf induced in the coil by the Earth's field. 

  • A square coil of wire has sides of length 3.00 cm and 80.0 turns and lies...

    A square coil of wire has sides of length 3.00 cm and 80.0 turns and lies in the xy-plane. The coil lies in a magnetic field of 0.100 T directed in the positive y-direction. (a) Determine the torque on the coil if it carries a current of 2.00 A in a clockwise direction. (b) Suppose the coil rotates 30.0° in the direction of the torque – find the new value of the torque’s magnitude

  • Submit Answer Iries 0/10 A 102-turn square wire coil with sides of length L - 20.4cm...

    Submit Answer Iries 0/10 A 102-turn square wire coil with sides of length L - 20.4cm rotates about a vertical axis at 1320rpm, as indicated in the figure below. The horizontal component of the Earth's magnetic field at the location of the loop is 2.29E-5T. Calculate the maximum emf induced in the coil by the Earth's field. Submit Answer Tries 0/10 Transverse waves with a speed of 51.3m/s are to be produced in a taut string. A 4.85m length of...

  • A square coil and a rectangular coil are each made from the same length of wire....

    A square coil and a rectangular coil are each made from the same length of wire. Each contains a single turn. The long sides of the rectangle are twice as long as the short sides. Find the ratio τsquare /τrectangle of the maximum torques that these coils experience in the same magnetic field when they contain the same current.

  • A square shaped coil of wire has 30.0 turns and sides of length 10.0 cm. (a)...

    A square shaped coil of wire has 30.0 turns and sides of length 10.0 cm. (a) Determine the magnetic field at the precise center of the square if a current of 4.00 A is sent clockwise through the coil. (b) Would the center be the location of the maximum field strength? If not, where do you think the field would be greatest and why? Support your response either way

  • 2) The 1200-turn coil in a dc motor has an area per turn of 1.6 x...

    2) The 1200-turn coil in a dc motor has an area per turn of 1.6 x 102m². The design for the motor specifies that the magnitude of the maximum torque is 5.2 N·m when the coil is placed in a 0.20-T magnetic field. What is the current in the coil?

  • The 2800-turn coil in a dc motor has an area per turn of 1.1 × 10-2...

    The 2800-turn coil in a dc motor has an area per turn of 1.1 × 10-2 m2. The design for the motor specifies that the magnitude of the maximum torque is 5.5 N·m when the coil is placed in a 0.29-T magnetic field. What is the current in the coil?

  • Problem 21.11 A flat, square coil with 17.0 turns has sides of length 0.140 m ....

    Problem 21.11 A flat, square coil with 17.0 turns has sides of length 0.140 m . The coil rotates in a magnetic field of 2.00×10−2 T . Part A What is the angular velocity of the coil if the maximum emf produced is 20.0 mV ? ω = 3.00   rad/s   SubmitHintsMy AnswersGive UpReview Part Correct Part B What is the average emf at the angular velocity found in part A? 〈E〉 =

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT