Which of the following statements describes an electric generator? A. Electric potential in a rotating coil of a wire creates a temporal magnet B. A coil of wire is rotated through a strong magnetic field to produce an electric 29. current C. An electrical current causes a coil of wire to rotate in a magnetic field. D. Forces from a permanent magnet allow a coil of wire to rotate

Which of the following statements describes an electric generator? A. Electric potential in a rotating coil of a wire creates a temporal magnet B. A coil of wire is rotated through a strong magnetic field to produce an electric 29. current C. An electrical current causes a coil of wire to rotate in a magnetic field. D. Forces from a permanent magnet allow a coil of wire to rotate

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.) a current in the CW direction to enhance the decreasing north magnetic field. b.) a current in the CW direction to enhance the decreasing south magnetic field. c.) a current in the CW direction to oppose the increasing south magnetic field. d.) a current in the CW direction to oppose the increasing north magnetic field. e.) no current in the coil. 7.) A conducting coil is rotated at constant speed in a uniform magnetic field as shown in the figure here. The time required by the loop to make a full rotation is T. The current generated in the coil would increase Side view a.) if the angular speed of the coil increases. b.) if the area of the coil increases. c.) if the strength of the magnetic field increases. d.) All of the above are correct. e.) None of the above are correct. 8.) An RLC circuit has a resonant frequency of fo. When the circuit is driven by an AC voltag source whose frequency is 2fo, which of the following is the most accurate?
Physics 2. The right-hand rule allows one to find a property of the interaction of a magnetic field with a charged particle. The right-hand rule applied to moving charges: a. results in positive charges moving clockwise. b. results in negative charges moving clockwise. c. can be used for positive charges only. d. gives the direction of the force on a charge moving in a magnetic field.
What is the direction of the magnetic force on a negative charge that moves as shown in the figure? B Select one: O a. In O b. there is no magnetic force O. Out O d. Left When the light is passing from rarer to a denser medium, which is the correct statement? O a. speed becomes zero O b. speed of light increases speed of light remains constant O d. speed of light decreases
3. An electron moving at 3.60×103 m/s in a 1.21–T magnetic field experiences a magnetic force of 2.68×10-16 N. What angle does the velocity of the electron make with the magnetic field? There are two answers. list the smaller angle first, then next the larger angle) This is not and will not be graded
What is the meaning of the word "permanent" when used to describe a magnet? a. Magnetism depends on the realignment of domains in the magnetic material. b. Atoms inside the material are themselves tiny magnets. c. Magnetic effects move nearby objects to new positions. d. Magnetism persists independent of other magnetic objects. e. Magnetism is induced by the presence of nearby magnetic objects.
Magnetic Poles: Which one of the following statements is correct? Group of answer choices A. Earth's geographic south pole is the south pole of Earth's magnetic field. B. None of the statements is correct. C. The north pole of a magnet points towards Earth's geographic north pole. D. Earth's geographic north pole is the north pole of Earth's magnetic field. E. The north pole of a magnet points towards Earth's geographic south pole.
1. All magnetic fields originate in A. iron atoms B. permanent magnets C. magnetic domains D. moving electric charges 2. The magnetic field lines around a long, straight current are in the form of A. straight lines parallel to the current B. straight lines that radiate perpendicularly from the current, like the spokes of a wheel C. concentric circles centered on the current D. concentric helixes whose axis is the current 3. Inside a solenoid the magnetic field A. is zero B. is uniform C. increases with distance from the axis D. decreases with distance from the axis 4. An electron enters a magnetic field parallel to B. The electron's, A. motion is unaffected B. direction is changed C. speed is changed D. energy is changed 5. An electron enters a magnetic field perpendicularly to B. The electron's A. motion is unaffected B. direction is changed C. speed is changed D. energy is changed 6. The magnetic field of a bar magnet most closely resembles the magnetic field of A. a straight…
4. Based on the magnetic field lines shown, what is the orientation of the mystery magnet? S. mystery O A. N-S O B. S-N O C. None of the above. O D. Cannot be determined.
An alpha particle is heading towards the right. It passes through a B field pointed downwards. What is the direction of the force on the alpha particle? A. Into the screen B. Out of the screen C. Upwards D. Downwards E. Right F. Left G. It does not feel a force