Part A A thin 11-cm-long solenoid has a total of 470 turns of wire and carries a current of 1.8 A Calculate the field inside the solenoid near the center Express your answer using two significant figures.

Problem 3 A square loop whose sides are 8 cm long is made with copper wire of radius 9 mm, assuming resistivity of copper is 1.72 x 10-8 Ohm x m. If a magnetic field perpendicular to the loop is changing at a constant rate of 6 mT/s, what is the current in the loop? A This problem is open source, to find it download for free at https://openstax.org/details/books/university-physics-volume-2.

Two long, parallel wires are separated by a distance of 3.40 cm. The force per unit length that each wire exerts on the other is 4.60x10-5 N/m, and the wires repel each other. The current in one wire is 0.640 A. Part A What is the current in the second wire? Express your answer in amperes. I = for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Submit Part B Request Answer Are the two currents in the same direction or in opposite directions? In the same direction In opposite direction Submit Previous Answers ✓ Correct A

- Part A How much energy is stored in a 2.60-cm-diameter, 14.0-cm-long solenoid that has 190 turns of wire and carries a current of 0.790 A? Express your answer with the appropriate units. UL = 2.82 Submit μA J Previous Answers Request Answer ? X Incorrect; Try Again; One attempt remaining

A solenoid is designed to produce a magnetic field of 3.80x10-2 T at its center. It has a radius of 1.80 cm and a length of 47.0 cm, and the wire can carry a maximum current of 13.0 A . For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Field of a solenoid. Part A What minimum number of turns per unit length must the solenoid have? Express your answer in inverse meters. n = Submit Part B L = ΑΣΦ What total length of wire is required? Express your answer in meters. G| ΑΣΦ Submit Request Answer Request Answer W ? m -1 m

Review I Constants The 10-turn loop of wire shown in the figure(Figure 1) lies in a horizontal plane, parallel to a uniform horizontal magnetic field, and carries a 2.0 A current. The loop is free to rotate about a nonmagnetic axle through the center. A 50 g mass hangs from one edge of the loop. Part A What magnetic field strength will prevent the loop from rotating about the axle? Express your answer to two significant figures and include the appropriate units. Figure 1 of 1 HẢ ? Value B 10 turns 5.0 cm Units 10.0 сm Submit Request Answer 50 g Provide Feedback Next >

A current loop in a motor has an area of 1.95 cm² . It carries a 240 mA current in a uniform field of 0.62 T. 1 Part A What is the magnitude of the maximum torque on the current loop? Express your answer with the appropriate units. T= BHA μÅ S Value → C Units ?

A single loop of wire with an area of 0.0680 m² is in a uniform magnetic field that has an initial value of 3.80 T, is perpendicular to the plane of the loop, and is decreasing at a constant rate of 0.210 T/s. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Emf and current induced in a loop. Part A What emf is induced in this loop? Express your answer in volts. —| ΑΣΦ lɛl = Submit Part B Request Answer I = ? If the loop has a resistance of 0.450 , find the current induced in the loop. Express your answer in amperes. —| ΑΣΦ V ? A

A 6.70 - partice moves through a region of space where an lectric field of magnitude 1250 N/C points in the positive direction, and a magnetic field of magnitude 1.22 T points in the Positive direction Part A the net force acting on the particle is 621x10-N in the positive x direction, find the components of the particle's velocity. Assume the particle's velocity is in the x-y plane Enter your answers numerically separated by commas. Vx, Vy, Vz= ? m/s Submit Request Answer

A potential difference of 0.055 V is developed across the 10-cm-long wire of (Figure 1) as it moves through a magnetic field perpendicular to the plane of the figure. Figure 10 cm 5.0 m/s |+++ 1 of 1 Part A What is the strength of the magnetic field? Express your answer with the appropriate units. B = Submit Part B Value μÀ O to the right Request Answer What is the direction of the magnetic field? Submit out of the page to the left O into the page Provide Feedback Request Answer B Units ?