Part A A solenoid of radius 1.0 m with 790 turns and a length of 4.8 m surrounds a pigeon cage. What current must be in the solenoid so that the solenoid field just cancels Earth's 4.2 x 10 5.T magnetic field (used occasionally by the Express your answer with the appropriate units. ? I = Value Units Submit Request Answer

Part A A solenoid of radius 1.0 m with 790 turns and a length of 4.8 m surrounds a pigeon cage. What current must be in the solenoid so that the solenoid field just cancels Earth's 4.2 x 10 5.T magnetic field (used occasionally by the Express your answer with the appropriate units. ? I = Value Units Submit Request Answer

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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The magnetic field around the head has been measured to be approximately 3.00x10-8 gauss. Although the currents that cause this field are quite complicated, we can get a rough estimate of their size by modeling them as a single circular current loop 16.0 cm (the width of a typical head) in diameter. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Magnetic field of a coil. Part A What is the current needed to produce such a field at the center of the loop? Express your answer in amperes. Π| ΑΣΦΑ I = ? A
A 10 cm x 10 cm square is bent at a 90° angle. A uniform 5.70x10-2 T magnetic field points downward at a 45° angle.(Figure 1) You may want to review (Pages 843-845). For help with math skills, you may want to review: The Vector Dot Product Figure 45% 5 cm 18 B 1 1 of 1 5 cm 10 cm Part A What is the magnetic flux through the loop? Express your answer with the appropriate units. Value Submit HÅ Provide Feedback Units Request Answer □】?
A circular coil of wire 9.00 cm in diameter has 14.0 turns and carries a current of 2.70 A. The coil is in a region where the magnetic field is 0.570 T. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Torque on a circular coil. Part A What orientation of the coil gives the maximum torque on the coil ? Express your answer as an angle in degrees between the field and the normal to the plane of the loop. o= Submit Part B Tmax = What is this maximum torque in part (A) ? Express your answer in newton-meters. Submit Part C ΑΣΦ Request Answer Ø² Submit ΑΣΦ Request Answer For what orientation of the coil is the magnitude of the torque 71.0 % of the maximum found in part (B)? Express your answer as an angle in degrees between the field and the normal to the plane of the loop. ? - ΑΣΦ Request Answer N m ?
In a physics laboratory experiment, a coil with 210 turns enclosing an area of 11.7 cm² is rotated during the time interval 5.00×10-² s from a position in which its plane is perpendicular to Earth's magnetic field to one in which its plane is parallel to the field. The magnitude of Earth's magnetic field at the lab location is 6.60×10-5 T. Part A What is the magnitude of the magnetic flux (initial) through the coil before it is rotated? Express your answer numerically, in webers, to at least three significant figures. ▸ View Available Hint(s) Pinitial Submit 10 xa Xb B T ΑΣΦ X.10⁰ 1.62 107 Previous Answers √x vx X x pond |X| ? Wb X Incorrect; Try Again; 9 attempts remaining The number of turns is not included in the definition of magnetic flux.
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
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
Due to the bar magnet being pulled away from the solenoid, the included pole that is created at location I is a _____ pole. The electron flowing through the galvanometer would be ____.
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Part A A 14 cm-diameter circular loop of wire is placed in a 1.28 T magnetic field. When the planc of the loop is perpendicular to the field lines, what is the magnetic flux through the loop? Express your answer to two significant figures and include the appropriate units HA Value Units Submit Request Answer Part B The plane of the loop is rotated until it makes a 45 ° angle with the field lines. What is the angle in the equation Pg = BA cos e for this situation? Express your answer using two significant figures. 0 = Submit Request Answer Deersen
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You would like to store 7.9 J of energy in the magnetic field of a solenoid. The solenoid has 570 circular turns of diameter 7.4 cm distributed uniformly along its 24 cm length. Part A How much current is needed? Express your answer using two significant figures. I= 26.26 VE ΑΣΦ Submit Previous Answers Request Answer Part B X Incorrect; Try Again; 29 attempts remaining B B= 0.0783 What is the magnitude of the magnetic field inside the solenoid? Express your answer using two significant figures. ΑΣΦ Part C Submit Previous Answers Request Answer UB= ? PRZEZ * Incorrect; Try Again; 29 attempts remaining ? A What is the energy density (energy/volume) inside the solenoid? Express your answer using two significant figures. VE ΑΣΦ PRZ ? T kJ/m³