A circular coil has a 10.0 cm radius and consists of 30 closely wound turns of wire. An externally produced magnetic field of magnitude 2.60 mT is perpendicular to the coil. When the current in the coil is 3.80 A in a certain direction, the net flux through the coil is found to vanish. What is the inductance of the coil in µH?

A circular coil has a 10.0 cm radius and consists of 30 closely wound turns of wire. An externally produced magnetic field of magnitude 2.60 mT is perpendicular to the coil. When the current in the coil is 3.80 A in a certain direction, the net flux through the coil is found to vanish. What is the inductance of the coil in µH?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 50P: A coil with a self-inductance of 3.0 H and a resistance of 100 2 carries a steady current of 2.0 A....

See similar textbooks

Similar questions

A coil with a self-inductance of 3.0 H and a resistance of 100 2 carries a steady current of 2.0 A. (a) What is the energy stored in the magnetic field of the coil? (b) What is the energy per second dissipated in the resistance of the coil?
What is the self-inductance per meter of a coaxial cable whose inner radius is 0.50 mm and whose outer radius is 4.00 mm?
The square armature coil of an alternating current generator has 200 turns and is 20.0 cm on side. When it rotates at 3600 rpm, its peak output voltage is 120 V. (a) Wliat is the frequency' of the output voltage? (b) What is the strength of the magnetic field in which the coil is turning?
A long, cylindrical solenoid with 100 turns per centimeter has a radius of 1.5 cm. (a) Neglecting end effects, that is the self-inductance per unit length of the solenoid? (b) If the current through the solenoid changes at the rate 5.0 AJs, what is the emf induced per unit length?
A loop of wire has a self-inductance of 5.5 mH. You pass a current of 9.0 Amps though the loop, and then drop the current to 0 at a contastant rate over 3.5 seconds. What is the EMF generated?
Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A current of 9.00 A in one is switched off in 1.60 ms, inducing a 6.00 V emf in the other. What is their mutual inductance (in mH)?
The magnetic field shown in the diagram is oriented perpendicular to the loop and is described by the equation B = 1 + (0.5) t - (0125) tº T, where t i time. If the loop has dimensions of 5m in length x 3 m in width and it has a resistance of 5 2, what is the rate of change of the magnetic flux through the loop at t = 2 s? Faraday.pdf O 15 T m s-1 O 15 Ts1 O - 15 T m s-1 O -15 Ts1 O - 30 T m s1
A toroidal solenoid with a rectangular cross-section is wound uniformly with 480 turns. The inner radius is a=5 cm, the outer radius is b=7.5 cm, and it has a thickness of t=1 cm. What is the self-inductance of this device?
5.0 μsμs after the switch of (Figure 1) is moved from aa to bb, the magnetic energy stored in the inductor has decreased by half. What is the value of the inductance L?
At the instant a current of 0.90 A is flowing through a coil of wire, the energy stored in its magnetic field is 4.0 x 10 J. What is the self-inductance of the coil (in H)?
If a coil of wire in a magnetic field rotates 60 degrees, it provides an emf averaging 3.0 V. If the coil consists of 10 loops of radius 0.5 m and the magnetic field has strength 5T, how long does the coil take to complete its rotation? Assume the coil is initially parallel to the field. Needs Complete typed solution with 100 % accuracy.
The figure shows a uniform magnetic field that is normal to the plane of the conducting loop of resistance R. Note: the area of the non- circular portion of the circuit is negligible compared to that of the loop. В Suppose that the radius of the loop is 0.500 m. At what rate must B change with time if the emf induced in the loop is 37 volts? O 37.7 T/s O 12.0 T/s O 49.2 T/s O 24.0 T/s O 18.8 T/s