A conducting bar moves with a speed v= 23.8 m/s along parallel frictionless conducting rails connected on one end by a resistor R=3Q. A uniform 0.65 T magnetic field is directed out of the page. What is the current (in A) in the resistor? out Select one: O A. 3.11 O B. 2.80 OC. 2.00 OD. 2.32 OE. 1.53 45 cm

A conducting bar moves with a speed v= 23.8 m/s along parallel frictionless conducting rails connected on one end by a resistor R=3Q. A uniform 0.65 T magnetic field is directed out of the page. What is the current (in A) in the resistor? out Select one: O A. 3.11 O B. 2.80 OC. 2.00 OD. 2.32 OE. 1.53 45 cm

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

Two parallel wires are separated by 0.25 m. Wire A carries 4.1 A and Wire B carries 10 A, both currents in the same direction. The magnetic permeability in empty space uo = 47 × 10-7 T-m/A. The magnitude of the force on 1.4 m of Wire A is: Select one: O a. 2.6 x 10 N. O b. 4.6 x 10 N. O c. less than 1.0 x 10 N. O d. 3.2 x 10s N.
A long straight wire has a radius R, and a current of 3.0 A is uniformly-distributed throughout its solid interior. If the magnitude of the magnetic field at the surface of the wire is 0.24 T, the magnitude of the field at the interior radius r= 0.50R is closest to 0.80 T. O 0.24 T. o 0.040 T. O 0.32 T. O 0.12 T.
Find the magnetic flux at a time t= 0.3 seconds? A. zero Wb B. 0.015 Wb C. 0.15 Wb D. 1.5 Wb
for the current segment shown below, if A(1,0,0), B(4,0,0) , I=17 A. The magnetic field at P(-1,0,3) is A y B O a. 136.54 ây mA/m O b.81.92 ây mA/m Oc 682.71 ay mA/m Od.-136.54 åy mA/m e. -409.62 ây mA/m Of. 409.62 ay mA/m
A current of 4.0 A is maintained in a circular loop with radius 20.4 cm that consists of 50 turns of wire. An external magnetic field of 2.0 T is directed so that the angle between the field and the plane of the loop is 20°. Determine the magnitude of the torque exerted on the loop by the magnetic forces acting upon it. a. 17.9 N.m b. 0.9 N.m c. 49.1 N.m d. 62.4 N.m e. 83.2 N.m
20.4 2:01 PM O O K/s (24 A Imssb1.mutah.edu.jo/m 6 A conducting bar moves with a speed v= 18.4 m/s along parallel frictionless conducting rails connected on one end by a resistor R=2.40. A uniform 0.65 T magnetic field is directed out of the page. What is the current (in A) in the resistor? Bout Select one: O A. 2.70 Ов. 1.94 Ос. 3.01 OD. 1.48 O E. 2.24 +
A given neuron in the brain carries a current of 3.1 * 10-8 A. Ifthe SQUID detects a magnetic field of 2.8 * 10-14 T, how far awayis the neuron? Treat the neuron as a straight wire.A. 22 cm B. 70 cmC. 140 cm D. 176 cm
Two parallel, conducting wires carry oppositely directed currents of 3.00 A and 5.00 A as shown the diagram below. Find the strength of the magnetic field at y = 6.00 cm a. 0.59 µT b. 1.67 µT c. 1.1 µT d. 1.4 µT e. 0.72 µT
memf. A 25.0 [cm] rod moves 5.00 [m/s] and is immersed in a magnetic field with strength of 0.50 [T]. The length, velocity of the rod, and the magnetic field are all mutually perpendicular. What is the potential difference across the ends of the rod? B T x x 25 cm x x x x X O A. 0.313 [V] B. 0.625 [V] O C. 31.3 [V] O D. 62.5 [V] x
A wire is bent into the shape of a circle of radius r = 0.10 m and carries a 20.0-A current in the direction shown. 20.0 A rº Determine the magnetic moment of the loop. O 0.63 A.m² O 0.40 A.m² O 0.20 A.m² O 1.3 A.m² O 0.84 A.m²
A 2.0 m wire carries a current of 15 A directed along the positive x- axis in a region where the magnetic field is uniform and given by B = (30å – 44.83) ) mT. What is the resulting magnetic force on the wire? O a. 1.34 N along the + z-axis O b. 1.34 N along the - z-axis O c. 0.90 N along the - z-axis O d. 0.90 N along the + z-axis O e. 1.57 N along the - z-axis
1A. A magnetic field B = 1.30 x 10^ -3 T is measured a distance of 3.0 cm from a long straight wire. What is the current that passes through this long straight wire? 1B. Determine the magnetic field 1.0 cm away from a long straight wire carrying a current of 1.0 A. Permeability of free space = 4 pi x 10^-7 Weber/ Ampere-meter 1C. A current of 18 A in a circular segment of wire produces a magnetic field at the center of the arc of 4.48 x 10^-4 Wb/sq m. The wire makes an angle of 3.0 rad at the center. What is its radius of curvature?