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 along the 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 parallel to the transmission axis pass through. A convex mirror only forms virtual images The current in the secondary coils of a step-down 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. focal point Y. concave Z. co

Explanation / Answer

will answer 4 parts:

20: Focus is the point where parallel rays converge after reflection

Q.19 : An electric generator creating current is an example mechanical energy to electrical energy transformation

Q. 18 A galvanometer is normally used

Q. 17 speed of electromagnetic waves is 3 x 10^ 8 m/s

Q. 16 wavelength of red light

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