Moving a coil of wire towards a magnet will not create an emf in the coil if the

Question

Moving a coil of wire towards a magnet will not create an emf in the coil if the magnetic field is perpendicular to the normal of the coil. An electromagnetic wave is an example of a longitudinal wave. A polarizer only lets the part of the electric field that is perpendicular to the transmission axis pass through. A concave mirror only forms real images The current in the secondary coils of a step-up transformer is larger than the current in the primary coils. C. Matching. Place the letter of the correct answer next to the statement. Each choice will be used only once. A. direct current B. Alternating current C. magnetic field D. magnetic flux E. induced emf F. induced current G. Lenz's Law H. Step-up I. Step-down J. Electric field K. speed of light L. Magnetic field M. frequency N. wavelength O. energy density P. intensity Q. unpolarized R. polarized S. polarizer T. transmission axis. U. Malus' Law V. perpendicular W. same X. opposite Y. concave

Explanation / Answer

9) True. For the emf to be induced,the normal to the area should be parallel to the magnetic field

10)True. Electromagnetic waves are eletromagnetic waves

11)

12)False. Concave image generally forms virtual image

13)True .That is the reason it is called a step-up transformer

14)Focal length

15)Alternating current

16)Focal length

17)speed of light

18)Lenz's law

19)

20)

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