12. A rectangle coil of wire containing 5 loops is moved at a speed of 2.7m/s perpendicular to a 1.1 T magnetic field as shown below If the length of the side of the coil moving perpendicular to the field is 0.18m and the resistance in the circuit is 3.5 ohms a) What is the induced current? b) What is the direction of the current? (0.76A) (counter-clockwise) X ● X X X 0 X X X X X X Xx X

12. A rectangle coil of wire containing 5 loops is moved at a speed of 2.7m/s perpendicular to a 1.1 T magnetic field as shown below If the length of the side of the coil moving perpendicular to the field is 0.18m and the resistance in the circuit is 3.5 ohms a) What is the induced current? b) What is the direction of the current? (0.76A) (counter-clockwise) X ● X X X 0 X X X X X X Xx X

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter25: Electromagnetic Induction

Section25.1: Electric Current From Changing Magnetic Fields

Problem 3PP

See similar textbooks

Similar questions

A coil of 1000 turns encloses an area of 25 cm2. It is rotated in 0.010 s from a position where its plane is perpendicular to Earth’s magnetic field to one where its plane is parallel to the field. If the strength of the field is 6.0 x I0 T. what is the average emf induced in the coil?
Unreasonable results To construct a non-mechanical water meter, a 0.500-T magnetic field is placed across the supply water pipe to a home and the Hall voltage is recorded, (a) Find the flow rate through a 3.00-cm-diameter pipe if the Hall voltage is 60.0 mV. (b) What would the Hail voltage be for the same flow rate through a 10,0-cm- diameter pipe with tire same field applied?
What is the peak emf generated by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s 5.00105T magnetic field, given the plane of the coil is originally perpendicular to the Earth’s field and is rotated to be parallel to the field in 10.0 ms?
(a) A 0.750-m-long section of cable carrying current to a car starter motor makes an angle of GOP with Earth's 5.5105T field. What is the current when tire wire experiences a farce of 7.010N? (b) If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.75-T field, what force is exerted on this segment of wire?
Make a drawing similar to Figure 23.14, but with the pendulum moving in the opposite direction. Then use Faraday’s law, Lenz’s law, and RHR—l to show that magnetic force opposes motion.
Is an emf induced in the coil in Figure 23.54 when it is stretched? If so, state why and give the direction of the induced current. Figure 23.54 A circular coil of wire is snatched in a magnetic field.
What is the value of the magnetic flux at coil 2 in Figure 23.56 due to coil 1? Figure 23.56 (a) The planes of the two coils are perpendicular. (b) The wire is perpendicular to the plane of the coil.
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of 0.200 m2. A coil having 200 turns and a total resistance of 20.0 is placed around the electromagnet. The current in the electromagnet is then smoothly reduced until it reaches zero in 20.0 ms. What is the current induced in the coil?
A coil with 50 turns and area 10cm2 is oriented with its plane perpendicular to a 0.75-T magnetic field. If the coil is flipped over (rotated through 180°) in 0.20 s, what is the average emf induced in it?
Use Faraday’s law, Lenz’s law, and RHR—l to show that the magnetic force on the current in the moving rod in Figure 23.11 is in the opposite direction of its velocity.
A magnetic field of magnitude 0.300 T is oriented perpendicular to the plane of a circular loop. (a) Calculate the loop radius if the magnetic flux through the loop is 2.70Wb. (b) Calculate the new magnetic flux if the loop radius is doubled.
Explain how magnetic flux can be zero when the magnetic field is not zero.