7) A circular loop of wire is placed flat on this sheet of paper. A magnetic field is perpendicular to this sheet of paper, directed out (toward you). When the field is switched off, a current is temporarily induced in the loop of wire. Which of the following is the direction of this current? A) Clockwise B) Counterclockwise

7) A circular loop of wire is placed flat on this sheet of paper. A magnetic field is perpendicular to this sheet of paper, directed out (toward you). When the field is switched off, a current is temporarily induced in the loop of wire. Which of the following is the direction of this current? A) Clockwise B) Counterclockwise

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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18- The current i is flowing on wire X and current 4i is flowing on wire Y. Both wires are infinite in length. These wires are placed in parallel as given in the figure. If the magnetic field at point L created by the current flowing through the X wire is +B(k), find the resultant magnetic field at point L. Ce a) -B(k) b) 4B(k) 13 -3B(k) 19 e) 2B(k) Boş bırak P. 00 0 0 0
Q) Which of the following statement is not correct? A) There are no magnetic monopoles in nature B) In nature, magnetic monopoles are available C) A circular ring carrying an electric current can be considered a magnetic dipole D) When a magnet is broken at the midpoint, then two magnets have also two different poles E) Lenz's law determines the current's direction in a circuit placed in a magnetic field
5 5) What is the magnetic field strength at the dot? d=0.1 m and I= 5A A) 26.79 x10-6T B) 13.38x10-6T C) 39.20 x10-6T D) 88.00 x10-6T 6) What is the direction of the magnetic field B at the dot? A) out of the pagev B) into the page C) points left d d/2 D) points right E) There is no magnetic field 7) What would be the direction of the magnetic force acting on a proton initially placed at the dot if this proton moves into the page? A) points right B) points left C) points down D) points up E) There is no magnetic force 8) What would be the direction of the magnetic force acting on an electron initially placed at the dot if this electron moves to the right? A) out of the page B) into the page C) points left D) points rightE) There is no magnetic force 2
19) A rectangular coil of wire is position in a magnetic field as is shown below. It carries 1.95 A of current, and the field is B = 1.5 T. What is the net force, and net torque on the coil? Axis XI X 22.0 cm 35.0 cm A) ON, O N•m B) 0 N, 0.225 N•m C) -1.67 N, 0.225 N•m D) 1.67 N, 0.225 N•m E) 0 N, -0.225 N•m
6) A wire of linear mass density of 10g/m is in a magnetic field of 3T that is pointing in a horizontal direction. What current do you have to send through the wire so that the wire does not move up or down?
1) Consider a wire with a some current I going to the right. Using the and the symbols, label the magnetic field around the wire 2) Now do the same for a wire with the current going to the left
40 - A current of 0.25 A flows through a N-wound wire ring with a magnetic dipole moment of 7.1x10‾² A/m². If the radius of the ring is 5.5 cm, what is the number of turns (N)? A) 40 B) 50 C) 30 D) 20 E) 10
3) One wire carries current I in positive direction along the x-axis and another wire carries current I in positive direction along the y-axis. a) Draw a figure showing the currents. b) Find direction and magnitude of magnetic field at the point (a,a,0) c) Find direction and magnitude of magnetic field at the point (a,-a,0) d) Find direction and magnitude of magnetic field at the point (-a,a,0) e) Find direction and magnitude of magnetic field at the point (-a,-a,0)
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13) Axis A non-conducting rod has a total charge Q uniformly distributed along its length d. If the rod rotates with angular vel ocity w about its end, find its magnetic g ro moment, tates 8. 2. a) µ ==Qad? b)µ = -Q@d² c) µ = ÷Qad? d) µ = ?Qwd² e) H == Q@d? -Qwd? b) u Qwd? c) H =- Qwd? e) µ 3. 3. 3. 3. b) H ecenede tekras
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9) Three very long, straight, parallel wires each carry currents of 13.24 mA, directed out of the page. The wires pass through the vertices of a right isosceles triangle of side 6.19 cm. What is the magnitude of the magnetic field at point P at the midpoint of the hypotenuse of the triangle?