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A charge of -6.50 nC is spread unifonnly over the surface of one face of a nonconducting disk of radius 1.25 cm. (a) Find the magnitude and direction of the electric field this disk produces at a point P on the axis of the disk a distance of 2.00 cm from its center. (b) Suppose that the charge were all pushed away from the center and distributed uniformly on the outer rim of the disk. Find the magnitude and direction of the electric field at point P. (c) If the charge is all brought tn the center of the disk, find the magnitude and direction of the electric field at point P. (d) Why is the field in part (a) stronger than the field in part (b)? Why is the field in part (c) the strongest of the three fields?
Two slits spaced 0.500mm apart are placed 78.0cm from a screen. What is the distance between the second and third dark lines of the interference pattern on the screen
mos technology is used to fabricate a capacitor utilizing the gate metallization and the substrate as the capacitor
A straight rod of length L = 22.2 cm, carries a uniform charge, ? = 3.00 × 10-6 C/m, What is the magnitude of the electric field at yP = 50.0 cm
An electron has an initial, vertical velocity v0, y=.0001 c when it enters a uniform, horizontal electric field, E=0.5 x (x hat). how far will the electron be deflected
suppose that you want to take a photograph of yourself as you look at your image in a mirror 3.8 m away.for what
A flat circular coil with 110 turns, a radius of 3.80 × 10-2 m, and a resistance of 0.340 ? is exposed to an external magnetic field that is directed perpendicular to the plane of the coil, Find the induced current in the coil
A 47% efficient device uses chemical energy to generate 550J of electric energy. How much chemical energy is used
What is the charge on each electrode.
A 0.900-V potential difference is maintained across a 1.50-m length of tungsten wire that has a cross-sectional area of 0.400 mm2. What is the current in the wire
a copper strip 5.0 cm long 1.3 cm wide and 2.0 mm thick moving in the x-y plane. the strip is in a magnetic field given
a converging lens has a focal length of 8.00 cm, is the image enlarged or diminished in size, what is the image distance for an object placed 14.0 cm from the thin lens
A charge of 3.45 µC is uniformly distributed on a ring of radius 9.5 cm. Find the electric field strength on the axis at the following locations. (a) 1.2 cm from the center of the ring N/C (b) 3.1 cm from the center of the ring N/C (c) 4.0 m from ..
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