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)...

See similar textbooks

Similar questions

When a current-carrying wire is in uniform magnetic field with the direction of current the same as that of the field, A) there is a force on the wire that tends to move it parallel to the magnetic field B) there is a force on the wire that tends to move it perpendicular to the magnetic fieldC) there is a torque on the wire that tends to rotate it until the plane is perpendicular to the field D) there is neither a force nor a torque on the wire
15) Two long current carrying wires perpendicular to the page are shown at two of three corners of a right triangle. 10 A 10.5 cm 12 A 14 cm a) Find the magnitude and direction of the magnetic field at the vacant corner. b) If a third wire was placed perpendicular to the page at the vacant corner (current 1A out of the page), find the magnitude and direction of the net magnetic force per unit length on this wire exerted by the two given wires.
9) A closed-line integral of magnetic field B around the loop shown in figure below gives a value of 1.46 x 10-5 Tm. Determine the current Iz (magnitude and direction). (I = 2.2 mA, I3 = 1.2 mA, I4 = 4.5 mA, Is = 0.5 mA) Is I, I,
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
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
At a particular instant, an electron moves eastward at speed V in a uniform magnetic field that is directed straight downward. The magnetic force that acts on it is_____ A zero. B. directed upward C. directed to the south D. directed to the north.
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
2) A rod with negligible resistance is rotating with angular velocity of a = 5.0 rad/s over a circular are with radius of a = 0.2 m as shown in Figure 2. Another rod with negligible resistance is stationary. Two rods are connected to each other at the center of circle. A magnetic field of B = 0.3 T is into the page. The resistance per unite length of the circular arc is r = 0.4 N/m. Find induced emf and current including its direction. Show the induced current and the direction of the current in the figure. X X X X X X B x \x x X-X X X X X X X X X X X X X Fig 2. Problem 2
Two long, straight, parallel wires separated by a distance d carry currents in opposite directions as shown in the figure. The bottom wire carries a current of 6.0 A. The top wire carries a current of 18 A. Point C is at the midpoint between the wires. 6.0 A C 11a. Determine the magnitude of the magnetic field at point C if d = 0.10 m. A) 2.4 x 10-5 T B) 4.8 x 10-5 T C) 9.6 x 10-5 T D) 1.1 x 104 T E) 1.4 x 104 T 11b. What is the direction of the magnetic field at the point C? A) to the left of the page B) to the right of the page C) toward the bottom of the page D) into the plane of the page E) out the plane of the page
Imagine a straight wire that is perpendicular to this page. If a current flows in the wire in a direction that is out of this page (toward you), the magnetic field of the wire will be a) radial and point away from the wire. b) radial and point toward the wire c) circles centered on the wire and point counter clockwise d) circles centered on the wire and point clockwise