Part A A circular loop has radius Rand carries current I, in a clockwise direction (the figure (Figure 1)). The center of the loop is a distance D above a long, straight wire. What is the magnitude of the current I in the wire if the magnetic field at the center of the loop is zero? Express your answer in terms of the variables I2, R, D, and appropriate constants (µo and 7). = Figure < 1 of 1 > Submit Request Answer Part B What is the direction of the current I? O The current I must point to the left. O The current I must point to the right. Submit Request Answer
Q: 5. A very long, thick cylindrical wire of radius R carries a current density J that varies across…
A:
Q: Changing Area 8 If the strength of the external magnetic field is Bext - 47.1 T, what is the…
A: Given, decreasing rate of ∆A∆t=-55.0 m2/s
Q: The figure above shows, in cross section, two long parallel wires spaced by distance d; each carries…
A: We have given two long parallel wires spaced by distance d; each carries a current i. The direction…
Q: A 3.0 mm -diameter copper wire carries a 40 A current (uniform across its cross section).
A: Ans) For r<R ie , Magnetic field inside the surface of wire. To find the magnetic field we use,…
Q: A small bar magnet experiences a 2.50x10-2 N m torque when the axis of the magnet is at 45.0° to a…
A: Given data: Torque (τ) = 2.50×10-2 N.m Angle (θ) = 45.0° Magnetic field (B) = 6.00×10-2 T Required:…
Q: The body contains many small currents caused by the motion of ions in the organs and cells.…
A: Given,Distance, r = 5.80 cm = 0.058 mMagnetic field, B = 1.2 µG = 1.2 x 10-10 TNow, Magnetic field…
Q: Part A A thin 11-cm-long solenoid has a total of 470 turns of wire and carries a current of 1.8 A…
A:
Q: A long, straight wire lies on the y axis and carries an upward current I. A second parallel wire…
A:
Q: Three magnets are set next to each other on a table (see the figure below). If all of the magnets…
A: Magnets are equidistant from each other. The south pole of the middle magnet will be repelled by the…
Q: A particle with charge 5.70 nC is moving in a uniform Part C magnetic field B = -( 1.23 T )k. The…
A:
Q: What is the current in a long wire if the magnetic field strength 1.2 cm from the wire's axis is 57…
A:
Q: 2. A large magnet is shown. (The north and south poles of the magnet are not shown.) A student…
A:
Q: In the figure (Figure 1) the top wire is 1.2 mm -diameter copper wire and is suspended in air due to…
A:
Q: Turn the long wire so the current is coming straight out of the page (shown on the diagram on the…
A:
Q: A B I, d D
A:
Q: A particle with mass 1.23x10 kg and charge of +1.42x10-8 C has, at a given instant, a velocity of…
A: This problem can be solved using magnetic force on a charge moving in an external magnetic field…
Q: A long horizontal wire carries 27.0 A of current due north. Y Y Part A What is the net magnetic…
A:
Q: In the figure (Figure 1) the top wire is 1.2-mm-diameter copper wire and is suspended in air due to…
A:
Q: 1 of 1 Part C Find the time required for the electron to move from A to B. Express your answer in…
A:
Q: Part A The force on a wire is a maximum of 8.50x10-2 N when placed between the pole faces of a…
A:
Q: A rectangular coil of wire, 22.0 cm by 35.0 cm and carrying a current of 1.95 A , is oriented with…
A:
Q: A long, straight wire with a circular cross section of radius R carries a current I. Assume that the…
A:
Q: Find the initial angular acceleration of the coil just after the current is started.
A:
Q: Ashort current element dl = (0.500 mm)j carries a current of 5.60 A in the same direction as dl.…
A:
Q: Part A A horizontal rectangular surface has dimensions 3.30 cm by 4.10 cm and is in a uniform…
A: Magnetic flux. It is the integration of dot product of magnetic field small area vector.
Q: The coil in a loudspeaker has 70 turns and a radius of 3.5 cm. The magnetic field is perpendicular…
A: Number of turns in the coil N = 70.Radius r = 3.5 cm = 0.035 m.Magnetic field B = 0.33 T.Angle…
Q: A coil of wire with 230 circular turns of radius 3.40 cmcm is in a uniform magnetic field along the…
A: The number of turns in the coil is .The radius of the coil is .The resistance of the coil is The…
Q: 2. Two very long straight wires (treat as infinite) carry currents in the direction shown. 31 Draw…
A:
Q: Suppose a straight 1.05 mm -diameter copper wire could just "float" horizontally in air because of…
A: Magnetic Field: B=3.9×10-5 T Diameter : d=1.05 mm=1.05 ×10-3 m
Q: The element niobium, which is a metal, is a superconductor (ie, no electrical resistance) at…
A: The element niobium which is metal is a superconductor at temperatures below 9 K. Magnetic field…
Q: Part A A loop of wire moves with a velocity of 3.0 m/s through a magnetic field whose strength…
A:
Q: A solenoid is made of N = 3500 turns, has length L = 25 cm, and radius R = 1.7 cm. The magnetic…
A: Number of turns (N) = 3500 Length (L) = 25 cm = 0.25 m Radius (R) = 1.7 cm = 0.017 m Magnetic field…
Q: Experimental tests have shown that hammerhead sharks can detect magnetic fields. In one such test,…
A:
Q: Part A What is the magnetic field strength at the center of the semicircle in the figure(Figure 1).…
A:
Q: Problem 1 Problem: This problem takes you through the steps needed to calculate the magnetic field…
A: aIf current I flows through the wire what is Ienc.bEvaluate ∮B→.dl→.cCalculate the magnetic field of…
Q: Part A A long pair of insulated wires serves to conduct 23.0 A of dc current to and from an…
A: Current (I) = 23.0 A distance between the two wires (d) = 2.8 mm= 0.0028 mdistance of observation…
Q: Part A What is the magnetic field at the position of the dot in (Figure 1)? Give your answer as the…
A: According to question we need to find magnetic field at dot .
Q: A small, square loop carries a 27 A current. The on-axis magnetic field strength 46 cm from the loop…
A: Given data: Current, I=27 A Distance from the loop, x=46 cm=46×10-2 m=0.46 m Magnetic field…
Q: A 27.0-cm long solenoid 1.25 cm in diameter is to produce a field of 4.50 mT at its center. Part A…
A:
Q: d 2
A:
Q: Figure Part A 1.0 cm 2.0 × 107 m/s x 1.0 cm Electron < 1 of 1 What is the magnetic field at the…
A: Step 1:
Q: An electron moves along the z-axis with v₂ = 2.5 x 107 m/s. As it passes the origin, what are the…
A: To find the magnetic field at a given point due to a moving charge, we can use the Biot-Savart law.…
Step by step
Solved in 2 steps
- A long pair of insulated wires serves to conduct 33.0 A of dc current to and from an instrument. If the wires are of negligible diameter but are 2.8 mm apart, what is the magnetic field 10.0 cm from their midpoint, in their plane (see the figure(Eigure 1))? Express your answer using two significant figures. ? Buet = T Submit Request Answer Part B Figure < 1 of 1 Compare to the magnetic field of the Earth (5.0 × 10-5 T). Express your answer using two significant figures. ? 10.0 cm Buet/ BEarth = Submit Request Answer 2.8 mmA square current loop 4.50 cm on each side carries a 490 mA current. The loop is in a 1.80 T uniform magnetic field. The axis of the loop, perpendicular to the plane of the loop, is 30° away from the field direction. Part A What is the magnitude of the torque on the current loop? Express your answer in newton-meters to three significant figures. ΨΠ ΑΣΦ TE Submit Request Answer 2) ? N mAn electron in a cathode-ray tube is accelerated through a potential difference of 10 kV, then passes through the d = 2.5-cm-wide region of uniform magnetic field in (Figure 1). Part A What field strength will deflect the electron by 0 = 9.0 ° ? Express your answer with the appropriate units. HÀ B = Value Units Submit Request Answer Provide Feedback Figure 1 of 1 10 kV
- CCW Each diagram shows a rectangular conducting loop, including a small amount of resistance and an ammeter, in the presence of an external magnetic field. The direction clearly indicated, and a notation in the upper right-hand corner of each image indicates how the magnitude of the field is changing with time. Sort the diagrams according to wh in the loop would be clockwise (CW) or counterclockwise (CCW) by dragging each diagram to the appropriately labeled area, or leave it in the central area if neither label applie CW <0 dB O O O O O O dB dt X OF O O O TRO O O O O O X X O. O O X O A O X O O O O O O O X X O O O O O X O O O O X O O OKO O X X X X X O O O O O O O O O X. O O 9 O O O O O O O dB TOO O O O O O O O 100 O O O O O O O O O O O O O O O O` O O O` O. O O O O O O O O O O O O O O O O OSO O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O OZO O O O O O O O OSO O O O O O O O <0 dB dt dB B TRO X A X X X X X X XA uniform rectangular coil of total mass 270 g and dimensions 0.500 m x 1.00 m is oriented parallel to a uniform 3.70-T magnetic field (Figure 1). A current of 2.70 A is suddenly started in the coil. Part A You may want to review (Page) For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Magnetic torque on a circular coil. Part B Part C Find the initial angular acceleration of the coil just after the current is started. Express your answer in radians per second squared. Figure | να ΑΣφ ? A1 rad/s Submit Request Answer A2 Provide Feedback 0.500 m 1.00 mPart A A toroidal solenoid (see the figure (Figure 1)) has inner radius 15.6 cm and outer radius 19.5 cm. The solenoid has 220 turns and carries a What is the magnitude of the magnetic field at 10.9 cm from the center of the torus? current of 7.30 A ? B = T Submit Request Answer Part B Figure 1 of 1 What is the magnitude of the magnetic field at 16.2 cm from the center of the torus? B Hν ΑΣφ ? B = T Path 1 Submit Request Answer Path 2 Path 3 (a) (b) Rort o
- Part A A wire has a length of 0.10 m and is carrying a current of 14 A. When the wire is placed in a 8.0 T magnetic field, it experiences a force of 3.0 N. What is the angle between the wire and the magnetic field? Express your answer in degrees. Φ ——| ΑΣΦ Submit Request Answer ?In a physics laboratory experiment, a coil with 200 turns enclosing an area of 11.4 cm² is rotated in a time interval of 3.30x10-2 s from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to the field. The earth's magnetic field at the lab location is 6.2x10-5 T. Part A What is the total magnetic flux through the coil before it is rotated? Express your answer using two significant figures. 15. ΑΣΦ ? P₁ = Submit Wb Request Answer Part B What is the total magnetic flux through the coil after it is rotated? Express your answer using two significant figures. 15. ΑΣΦ Sve ? Wbi need the answer quickly
- A coil 4.35 cm radius, containing 460 turns, is placed in a uniform magnetic field that varies with time according to B=( 1.20x10-2 T/s)t+( 2.60x10-5 T/s4 )t¹. The coil is connected to a 580- resistor, and its plane is perpendicular to the magnetic field. You can ignore the resistance of the coil. Part B What is the current in the resistor at time to = 5.50 s ? V ΑΣΦ ? NII = ATo construct a solenoid, you wrap insulated wire uniformly around a plastic tube 8.9 cm in diameter and 45 cm in length. You would like a 3.2 AA current to produce a 2.6 kGkG magnetic field inside your solenoid. Part A What is the total length of wire you will need to meet these specifications? Express your answer using two significant figures.A 31.0-cm long solenoid 1.25 cm in diameter is to produce a field of 4.60 mT at its center. Part A How much current should the solenoid carry if it has 945 turns of the wire? Express your answer using three significant figures and include the appropriate units. I= μà Value Submit Request Answer Units ?