Question

A tightly wound circular coil has 43 turns, each of radius 0.165 m. A uniform magnetic...

A tightly wound circular coil has 43 turns, each of radius 0.165 m. A uniform magnetic field is introduced perpendicularly to the plane of the coil. If the field increases in strength from 0 to 0.297 T in 0.435s, what average emf is induced in the windings of the coil?

Homework Answers

Answer #1

= 2.509 V

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A 149-turn circular coil of radius 2.67 cm is immersed in a uniform magnetic field that...
A 149-turn circular coil of radius 2.67 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. During 0.153 s the magnetic field strength increases from 51.1 mT to 99.3 mT. Find the magnitude of the average EMF, in millivolts, that is induced in the coil during this time interval.
A 133 turn circular coil of radius 2.77 cm is immersed in a uniform magnetic field...
A 133 turn circular coil of radius 2.77 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. Over an interval of 0.121 s, the magnetic field strength increases from 55.7 mT to 95.9 mT. Find the magnitude of the average emf avgEavg induced in the coil during this time interval, in millivolts. avg=Eavg= ?
A circular coil of wire (N=10 turns) of radius 0.20 m is in a uniform magnetic...
A circular coil of wire (N=10 turns) of radius 0.20 m is in a uniform magnetic field of 0.50 T. The current in the loop is 4.0 A. What is the magnetic torque when the plane of the loop is parallel to the magnetic field?
1) A circular loop of radius 3.53 cm contains 61 turns of tightly wound wire. If...
1) A circular loop of radius 3.53 cm contains 61 turns of tightly wound wire. If the current in the windings is 0.634 A and a constant magnetic field of 0.462 T makes an angle of 70.3 ◦ with a vector perpendicular with the loop, what torque acts on the loop? 2) The clockwise circulating current in a solenoid is increasing at a rate of 13 A/s. The crosssectional area of the solenoid is 3.14159 cm2 , and there are...
A flat, circular coil has 40 turns of radius 3.6 cm. At t=0 an external magnetic...
A flat, circular coil has 40 turns of radius 3.6 cm. At t=0 an external magnetic field perpendicular to the plane of the coil has a value of 0.32 T and is decreasing linearly with time. At t = 0, the induced emf is 65 mV. How long does it take for the field to reach zero?
A coil 5.00 cm in radius, containing 250 turns, is placed in a uniform magnetic field...
A coil 5.00 cm in radius, containing 250 turns, is placed in a uniform magnetic field that varies with time according to: B = (0.230 T/s)t + (4.00 x 10-5 T/s5)t5.  The coil is connected to a 450 ohm resistor, and its plane is perpendicular to the magnetic field.  The resistance of the coil can be neglected.  Find the induced emf in the coil as a function of time.
#5. A coil 5.00 cm in radius, containing 250 turns, is placed in a uniform magnetic...
#5. A coil 5.00 cm in radius, containing 250 turns, is placed in a uniform magnetic field that varies with time according to: B = (0.230 T/s)t + (4.00 x 10-5 T/s5)t5.  The coil is connected to a 450 ohm resistor, and its plane is perpendicular to the magnetic field.  The resistance of the coil can be neglected.  Find the induced emf in the coil as a function of time.  (20 pts.)
A flat circular coil having 15 turns, each of a radius of 18.0 cm, is in...
A flat circular coil having 15 turns, each of a radius of 18.0 cm, is in a uniform and steady 0.130-T magnetic field. The coil has a resistance of 8.00 a) Find the total magnetic flux through one turn of the coil when the field is parallel to the axis of the coil. b) If the coil is rotated in 12.0 ms so its axis is perpendicular to the field, find the average induced voltage and the induced current in...
A well-made circular coil of wire consisting of 50 turns whose radius is 0.08 m, is...
A well-made circular coil of wire consisting of 50 turns whose radius is 0.08 m, is made to spin about a diameter at a rate of 3 times every second. If the coil is placed a uniform magnetic field of field strength 0.21 T whose direction is perpendicular to the diameter, what is the peak emf induced in the coil? A wire has a cross-sectional area of 1.8x10-4 m2 and a resistivity of 3.2x10-8 ohm-meters. How long of a piece...
A flat circular coil with 96 turns, a radius of 3.72 10-2 m, and a resistance...
A flat circular coil with 96 turns, a radius of 3.72 10-2 m, and a resistance of 0.432 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate of ΔB/Δt = 0.837 T/s, thereby inducing a current in the coil. Find the magnitude of the magnetic field at the center of the coil that is produced by the induced current.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT