Respond to each item. 2 points - How is electrical potential defined? What aspec

Question

Respond to each item. 2 points - How is electrical potential defined? What aspect of nature does the equation imply? 2 points - a magnetic field B, points out directly out of the page. a change Q, is making with speed u into the page. Find me magnetic force on the moving charge. 2 points - when thinking about electrical circuits through mechanical analogues. Resistance takes the whole friction what component takes the rate of mass? Is the wavelength of a given frequency of light in vacum greater or less than or equal to the wavelength of the same frequency of light in water?

Explanation / Answer

a) the energy taken to bring a 1 C charge from one to another. b) its there is no magnetic-charge, or total magnetic flux through an enclosed surface always be zero. c) its zero, be cause velocity and magnetic field have the same direction. d) we have R*i ~ k*v. i'L ~ m*v'. so that L~m e)in water, the speed of light is decreased. v=c/1.33 (index of refraction of water). T=const. so lamda_air>lamda_water

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