8) Four infinite sheets of charge are located as follows: 20 pC/m2 at y 7, -8 pC/m² at y 3, 6 pC/m at y -1, and -18 pC/m2 and y=-4. Find the electric field (in V/m) at point (26, 30, -14). a) 2.03 b) -1.36 c) 1.70 d) -2.25 e) 0.0
8) Four infinite sheets of charge are located as follows: 20 pC/m2 at y 7, -8 pC/m² at y 3, 6 pC/m at y -1, and -18 pC/m2 and y=-4. Find the electric field (in V/m) at point (26, 30, -14). a) 2.03 b) -1.36 c) 1.70 d) -2.25 e) 0.0
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Transcribed Image Text:8) Four infinite sheets of charge are located as follows: 20 pC/m² at y 7, -8 pC/m² at y = 3,
6 pC/m² at y = -1, and -18 pC/m? and y = -4. Find the electric field (in V/m) at point (26, 30, -14).
a) 2.03
b) -1.36
c) 1.70
d) -2.25
e) 0.0
9) coil formed by wrapping 50 turns of wire in the shape of a square is positioned in a magnetic
field so that the normal to the plane of the coil makes an angle of 0 30.0° with the direction of the
field. When the magnetic field is increased uniformly from 200 T to 600 T in time t 0.400 s, an
emf of magnitude e = 80.0 mV is induced in the coil. What is the total length of the wire?
a) 20
b) 59
c) 170
d) 207
e) 272
10) A sphere of homogeneous linear dielectric material with & = 4 is placed in an otherwise
uniform electric field of magnitude 600 V/m. Find the electric field inside the sphere.
a) Zero
b) 300
c) 600
d) 900
e) 1200
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