HomeworkLib
Question

9. A 30-turn circular coil of radius 4 cm and resistance 1 Ω is placed in a magnetic field directed perpendicu- lar to the pl
science   physics   
0 1
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

30 dt 此 t = 5 sec

1 0
Add a comment
Know the answer?
Add Answer to:
9. A 30-turn circular coil of radius 4 cm and resistance 1 Ω is placed in...
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

  • A 23-turn circular coil of radius 3.40 cm and resistance 1.00 Ω is placed in a...

    A 23-turn circular coil of radius 3.40 cm and resistance 1.00 Ω is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 0t + 0.040 0t2, where B is in teslas and t is in seconds. Calculate the induced emf in the coil at t = 5.40 s.    mV   

  • A 32-turn circular coil of radius 4.80 cm and resistance 1.00 Ω is placed in a...

    A 32-turn circular coil of radius 4.80 cm and resistance 1.00 Ω is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 0t + 0.040 0t2, where B is in teslas and t is in seconds. Calculate the induced emf in the coil at t = 5.20 s.    If the flux is changing as a function of time, how...

  • A 32-turn circular coil of radius 4.80 cm and resistance 1.00 Ω is placed in a...

    A 32-turn circular coil of radius 4.80 cm and resistance 1.00 Ω is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 0t + 0.040 0t2, where B is in teslas and t is in seconds. Calculate the induced emf in the coil at t = 5.20 s.    If the flux is changing as a function of time, how...

  • A 23-turn circular coil of radius 3.00 cm and resistance 1.00 is placed in a magnetic...

    A 23-turn circular coil of radius 3.00 cm and resistance 1.00 is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 Ot + 0.040 ot, where B is in teslas and t is in seconds. Calculate the induced emf in the coil at t = 5.20 s. 2.77 If the flux is changing as a function of time, how do...

  • A 65-turn circular coil (radius = 31 cm) with a total resistance of 5.4 ? is...

    A 65-turn circular coil (radius = 31 cm) with a total resistance of 5.4 ? is placed in a uniform magnetic field directed perpendicular to the plane of the coil. The magnitude of this field varies with time according to B = A sin(?t), where the amplitude is A = 110 ?T and the angular frequency is ? = 50 ? rad/s. What is the magnitude of the current (in mA) induced in the coil at t = 39 ms?

  • 1) A 179‑turn circular coil of radius 3.55 cm and negligible resistance is immersed in a...

    1) A 179‑turn circular coil of radius 3.55 cm and negligible resistance is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. The coil is connected to a 13.7 Ω resistor to create a closed circuit. During a time interval of 0.121 s, the magnetic field strength decreases uniformly from 0.643 T to zero. Find the energy, in millijoules, that is dissipated in the resistor during this time interval. energy: mJ 2) You decide...

  • 12. A 20-turn circular coil (radius = 4.0 cm, total resistance = 0.20 2) is placed...

    12. A 20-turn circular coil (radius = 4.0 cm, total resistance = 0.20 2) is placed in a uniform magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies with time as given by B(t) = 50e-0.5t mt. where t is measured in seconds. What is the magnitude of the induced current in the coil at 3.0 s? (8 points) + 5 6. B r=.04m 3 why? 2000- R=.2002 B(E)=50est m N=20 (I....

  • A circular coil of wire with radius 4 cm and 20 turns is placed in a...

    A circular coil of wire with radius 4 cm and 20 turns is placed in a uniform magnetic field of magnitude 0.3 T. The magnetic field is parallel to the area vector; i.e. perpendicular to the plane of the coil. a) What is the magnetic flux through the coil? b) The magnetic field is decreased to 0 T in 0.1 s. What is the magnitude of the emf induced in the coil during this time interval? c) If the coil...

  • A circular coil of radius 0.120 m contains a single turn and is located in a...

    A circular coil of radius 0.120 m contains a single turn and is located in a constant magnetic field of magnitude 0.250 T. The magnetic field has the same direction as the normal to the plane of the coil. The radius increases to 0.320 m in a time of 0.0780 s. (a) Determine the magnitude of the emf induced in the coil. (b) The coil has a resistance of 0.640 Ω. Find the magnitude of the induced current.

  • A circular coil of radius 0.11 m contains a single turn and is located in a...

    A circular coil of radius 0.11 m contains a single turn and is located in a constant magnetic field of magnitude 0.25 T. The magnetic field has the same direction as the normal to the plane of the coil. The radius increases to 0.31 m in a time of 0.080 s. a) Determine the magnitude of the emf induced in the coil. b) The coil has a resistance of 0.71 Ω. Find the magnitude of the induced current.

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