00 wire loops are wound together. The area of each is 0.0025 m2. The loops begin with the area perpendicular to the field (the lines of the magnetic field cross through the loops). The loops make a quarter turn (90O) in 0.2 seconds. A. In what direction must the loops be turned so that there will be an induced current in the loops? B. If the field strength is 0.20T and if the resistance of the coils is 0.34W, what is the induced current in the coils

00 wire loops are wound together. The area of each is 0.0025 m2. The loops begin with the area perpendicular to the field (the lines of the magnetic field cross through the loops). The loops make a quarter turn (90O) in 0.2 seconds. A. In what direction must the loops be turned so that there will be an induced current in the loops? B. If the field strength is 0.20T and if the resistance of the coils is 0.34W, what is the induced current in the coils

Similar questions

Suppose you wish to produce a 2-T magnetic field in a toroid with an iron core for which magnetic susceptibility is x = 6 x 10°. The toroid has a mean radius of 11 cm and is wound with 350 turns. Hint a. What current is required to produce this magnetic field in the iron core? Current of A is needed. b. For comparison, what current is required to produce the same magnetic field in an air-filled toroid of same geometry? Current of A is needed for toroid with no iron core. While it is not always practical to have region of magnetic field filled with ferromagnetic materials, this dramatic increase in strength of magnetic field produced is useful in some applications you will see in upcoming chapters.
1. a. What will be the direction of the current in the wire just above the bar magnet when you close the circuit? ___________ b.. What direction is the B field at the location of the wire due to the bar magnet? (Assume the N pole is the top end of the bar magnet.) _____________ c.. What does the right-hand-rule predict for the direction of the force on the wire? ______________
A flat circular loop of radius 0.10 cm is rotating in a uniform magnetic field of 0.20 T. Find the magnetic flux through the loop when the plane of the loop and the magnetic field vector are perpendicular. 0.0055 T. m^2 0.0063 T. m^2 OT. m^2 0.000000628 T. m^2
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of 0.250 m2. A coil having 180 turns and a total resistance of 19.0 N is placed around the electromagnet. The current in the electromagnet is then smoothly reduced until it reaches zero in 20.0 ms. What is the current induced in the coil? A.
2. A 22 cm by 35 cm rectangular coil has a single turn and carries a current of 1.4 A. Initially the plane of the coil is perpendicular to a uniform 1.6 T magnetic field, as shown in the picture O below. The resistance of the coil is negligible. a. Please determine the direction and the magnitude of the magnetic force on the right side of the coil. b. If the coil rotates a 30° angle as shown in the picture 2, please determine the direction and the magnitude of the magnetic torque on the left side of the coil. Axis B x x x xi x 22.0 cm 35.0 cm 30° x B
Attached.
Two circular loops of wire lie in the x-y plane, centered at the origin. The radius of the loops is 5.00 and 7.00 cm. The current in the outer loop is 50.0 mA in the clockwise direction. a. If the current in the inner wire is also 50.0 mA in the clockwise direction, what is the magnetic field strength at the origin? b. What current magnitude and direction in the inner wire will cause the magnetic field to be zero at the origin?
A circular loop rotates at constant speed about an axle through the centerof the loop. Shown is an edge view and defines the angle Φ, which increases from 0° to 360° as the loop rotates.a. At what angle or angles is the magnetic flux a maximum?b. At what angle or angles is the magnetic flux a minimum?c. At what angle or angles is the magnetic flux changing most rapidly?
A square coil of wire with a side length of 10cm is looped around 10 times. The coil sits in an increasing nagnetic field. The magnetic field increases linearly from 1T to 2T within 5 seconds. A. What is the illustration of this equation?
A small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the X-y plane (so the normal to the loop points in the +z-direction). A uniform magnetic field of 0.5 T is turned on in the +x-direction. What is the magnetic flux through the loop? a. 7.85 x 10 Tm² b. 1.57 x 10 4 T m² O c. 3.14 x 10 3 T m2 O d. 0 T m2
A square loop of wire with sides of 20.0cm is half in and half out of a uniform magnetic field which points out of the page as shown. The loop is moving with a speed of 3.00m/s and the strength of the magnetic field is 0.100Tesla. The total resistance of the loop is 4.00Ω. Find the magnitude and directionof the current if the loop is moving in the following directions. a.in the +x direction b.in the -x direction c.in the +y direction d.in the -y direction
A. What is the current in the current loop? B. What is the current density J in the current loop? C. To decide whether this is a large or a small current density, find the ratio of the current density J in the current loop to the current density of a 8.0 A current in a 1.6- mm diameter wire. Express your answer using two significant figures.