A conducting rod of length 2 cm moves with velocity 3 m/s parallel to a long wire carrying a steady current 2 A. The axis of the rod is maintained perpendicular to the wire with the near end a distance 2 cm away as shown in Figure. What is the magnitude of the induced emf generated between the ends of the rod? (Take Ho = 47 x 10-7 N/A2)

A conducting rod of length 2 cm moves with velocity 3 m/s parallel to a long wire carrying a steady current 2 A. The axis of the rod is maintained perpendicular to the wire with the near end a distance 2 cm away as shown in Figure. What is the magnitude of the induced emf generated between the ends of the rod? (Take Ho = 47 x 10-7 N/A2)

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

A wire loop of radius 18 cm and resistance 9.6 is located in a uniform magnetic field that changes in magnitude as given in the figure. The loop's plane is perpendicular to the magnetic field. What is the magnitude of the emf in volts induced in the loop during the time intervals (a) t = 0 to 2.0 s; (b) 2.0 s to 4.0 s; and (c) 4.0 s to t = 6.0 s? (a) Number i (b) Number (c) Number i Units Units Units B (T) 0.5 0 2.0 4.0 6.0 / (s)
The figure below displays a circular loop of conducting wire in a uniform magnetic field pointing into the page. The radius of the loop is 10.0 cm and the magnitude of the field is 0.160 T. You grab points A and B and pull them in opposite directions, stretching the loop until its area is nearly zero, taking a time of 0.170 s to do so. What is the magnitude of the average induced emf in the loop (in mV) during this time? * х * X x х A x * * x K mV X x * x. B * * *
Suppose a conducting rod is 94.5 cm long and slides on a pair of rails at 2.5 m/s. Part (a) What is the strength of the magnetic field in T if a 2 V emf is induced?
The plane of a conductive loop with an area of 0.020 m^2 is perpendicular to a uniform magnetic field of 0.30 T. If the field drops to zero in 0.0045 s , what is the magnitude of the average emf induced in the loop?
A 5.00*10^-2 ohm square wire loop 30.0 cm on a side has its plane normal to a uniform magnetic field of magnitude B=4.0 T. If you pull two opposite sides of the loop away from each other, the other two sides automatically draw toward each other reducing the area enclosed by the loop. If the area is reduced to zero in a time of 0.30 s what is the average emf during this time interval? What is the average current during this time interval?
The figure shows an end view of a single-turn square loop of metal wire in the center of and coaxial with a very long solenoid with a circular cross section. The solenoid is 15.0 cm long, has a radius r = 3.00 cm, and consists of 120 turns of wire. The length of each side of the square loop is / = 1.50 cm. The current in the solenoid decreases from 4.00 A to zero in 0.40 s. What is the magnitude of the average induced emf (in uv) in the square loop over this time? noliill O a. 2.3 كلية العلوo O b. 4.5 O.6.3 O d. 1.5 O e. 3.0 Scanned with CamScanner
A 2-turn planer loop of flexible wire is placed inside a long solenoid of n turns per meter that carries a constant current I0 . The area A of the loop is changed by pulling on its sides while ensuring that the plane of the loop always remains perpendicular to the axis of the solenoid. If n = 500 turns per meter, I0 = 20 A, and A = 20 cm2, what is the emf induced in the loop when dA/dt = 100?
The flexible loop in the figure below has a radius of 12 cm and is in a magnetic field of strength 0.17 T. The loop is grasped at points A and B and stretched until its area is nearly zero. If it takes 0.25 s to close the loop, what is the magnitude of the average induced emf (in mV) in it during this time? @ |ε] = x x x X X mV X.AX A X XBOX X X x X *
An L = 49.0 cm wire is moving to the right at a speed of v = 6.50 m/s across two parallel wire rails that are connected on the left side, as shown in the figure. The whole apparatus is immersed in a uniform magnetic field that has a magnitude of B = 0.770 T and is directed into the screen. What is the magnitude & of the emf induced in the wire? E= The induced emf causes a current to flow in the circuit formed by the moving wire and the rails. In which direction does the current flow around the circuit? counterclockwise clockwise If the moving wire and the rails have a combined total resistance of 1.35 92, what applied force F would be required to keep the wire moving at the given velocity? Assume that there is no friction between the moving wire and the rails. V F = N
A flat loop of wire consisting of a single turn of cross- sectional area 0.01 m^2 is perpendicular to a magnetic field that increases uniformly in magnitude from 2T to 8T in 3s. What is the EMF in the loop?
The figure below displays a circular loop of metal wire in a uniform magnetic field pointing into the page. The radius of the loop is 15.0 cm and the magnitude of the field is 0.120 T. You grab points A and B and pull them in opposite directions, stretching the loop until its area is nearly zero, taking a time of 0.210 s to do so. What is the magnitude of the average induced emf in the loop (in mV) during this time?
A segment of wire 7.4 cm long is moving at a velocity of 7.08 m/s toward a parallel (much longer) wire which carries a current of 7.55 A. At a particular instant the wire segment is 5.4 cm away from the long, current-carrying wire. What is the induced emf (voltage) between the two ends of the wire segment? 1.47E-05 V 5.88E-06 V 1.18E-05 V 1.91E-05 V