Z-axis A solid disk of radius R= 19 cm lies in the y-z plane with the center at the iniformly distributed total charge Q = 45 µC. A point P is located on the r-axis origin. The disk carri positive half of thex-axis a distance 26 cm from the origin. Refer to the diagram, where the y- and E-axes lie in the plane of the screen and the x-axis points out of the screen. R. y-axis o=Q( z R? ) dộ = ( 2 Q r dr )'R² Calculate the electric potential at P, in kilovolts. v= | Calculate the magnitude of the electric field at the point P in units of meganewtons per coulomb.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.