Physics Test 2 Flashcards | Quizlet

Which of the following statements are true concerning the creation of magnetic fields? Check all that apply. a) A distribution of electric charges at rest creates a magnetic field at all points in the surrounding region. b) A moving electric charge creates a magnetic field at all points in the surrounding region.33.5.1. Complete the following statement: The energy carried by an electromagnetic wave is a) carried only by the electric field. b) carried only by the magnetic field. c) too small to have any practical application. d) carried by both the electric and magnetic fields. e) larger for infrared radiation than it is for gamma radiation. 33.5.2.Which of the following statements is true? (A) Magnetic fields are strongest in the middle of the magnet. (B) A magnetic field can be created by running an electric current through a magnet. (C) Electricity flows from positively charged area to negatively charge areas. (D) Static electricity is a build up of free protons and neutrons.Which of the following statements regarding magnetic fields is/are true? Choose all that apply. a. Earth's North Pole has always been the magnetic north pole. b. The presence of a magnetic field implies the presence of a solid iron core. c. Any large, rotating body will have a magnetic field. d. Earth's magnetic field protects it from the solarAlso, it is also true that iron is ferromagetic material which can be magnetized with a strong permanent magnet. Invisible magnetic field lines of earth run from north to south poles. So, statements A and B are true but statement C is false.

PDF Halliday, Resnick, and Walker, Fundamentals of Physics 10e

Which of the following statements are true concerning electromagnetic waves in a vacuum? Check all that apply. A)Electromagnetic waves can travel in a vacuum only because a medium prohibits the forward propagation of the electric and magnetic fields. B)Electromagnetic waves travel in a vacuum with a definite and unchanging speed.Question: Which Of The Following Statements Are True Concerning Electromagnetic Radiation? A) The Magnetic Field At Any Point Is Perpendicular To The Wave Of Travel B) The Electric And Magnetic Fields Are In Phase With Each Other As They Propagate Through Space C) The Electric And Magnetic Fields Are Phase-shifted 180 Degrees With Respect To Each Other As TheyA magnetic field describes a volume of space where there is a change in energy. Magnetic field is produced whenever an electrical charge is in motion. Therefore, the motion of an electric charge produces a magnetic field. Magnetic field depend on the charge, velocity, and acceleration of the particles.Which of the following statements are true concerning the creation of magnetic fields? Check all that apply. ANSWER: 1.An electric current in a conductor creates a magnetic field at all points in the surrounding region. 2.A permanent magnet creates a magnetic field at all points in the surrounding region.

Which of the following statements is true? (A) Magnetic

Which following statement is not correct about magnetic field : (a) magnetic field lines form a closed continuous curve. (b) magnetic field do not intersect each other. (c) direction of magnetic field is given by tangent drawn at that point. (d) crowded field lines shows strength of magnetic field is low.Get the detailed answer: Which of the following statements are true concerning the creation of magnetic fields? Check all that apply. A. A distribution of electric charges at rest creates a magnetic fWhich of the following is/are true regarding magnetic fields? I. Magnetic field lines separate magnetic poles. II. Magnetic field lines are spaced farther apart at the magnetic poles. III. Magnetic fields are strongest at the magnetic poles. A. II only B. I, II, and III C. I only D. III onlyWhich of the following statements are true concerning the creation of magnetic fields? a. A single stationary electric charge creates a magnetic field at all points in the surrounding region. b. A moving electric charge creates a magnetic field at all points in the surrounding region. c.Which of the following statements concerning the net magnetization (M) is false? M can be considered the vector sum or average millions of individual nuclear spins. Using M allows the NMR phenomenon to be analyzed using classical (rather than quantum) physics. At equilibrium, M is aligned with the external magnetic field.

Which of the following statements are true concerning the creation of magnetic fields? Check all that follow.

A. A distribution of electrical charges at leisure creates a magnetic field at all points in the surrounding area.

B. An everlasting magnet creates a magnetic field at all issues in the surrounding area.

C. An electrical current in a conductor creates a magnetic box in any respect issues in the surrounding region.

D. A moving electric fee creates a magnetic box in any respect points in the surrounding region.

E. A single stationary electrical rate creates a magnetic field in any respect points in the surrounding area.