1. Consider two infinite parallel oppositely charged plates. Which statments about this system are true? (There may be more than one.)

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1. Consider two infinite parallel oppositely charged plates. Which statments about this
system are true? (There may be more than one.)
O The electric field points from the negatively charged plate towards the positively charged plate.
O The positively charged plate is at a higher potential.
The electric field points from the positively charged plate towards the negatively charged plate.
OThe potential difference is independent of the path taken by the test charge and depends only on the choice of the end
points.
2. Consider two concentric spherical shells with opposite total charge. Suppose the
inner shell has radius a and its charge is +Q and the outer shell has radius b and has
charge -Q. Which statments about this system are true? (There may be more than
one.)
O The electric field points from inner shell to the outer shell.
O The positively charged plate is at a lower potential.
OThe electric potential difference is of the form U (a) - U (b) = kQ ( - )
O The electric potential difference given by the total work needed to move a test charge from the inner inner plate to the outer
plate.
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Math Expression Input
Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N . m² /C?. Vacuum permitivity,
€o = 8.854 x 10-12 F/m. Magnetic Permeability of vacuum, µo = 12.566370614356 x 10- H/m. Magnitude of the Charge
of one electron, e = -1.60217662 x 10-19 C. Mass of one electron, m. = 9.10938356 x 10-31 kg. Unless specified
otherwise, each symbol carries their usual meaning. For example, uC means micro coulomb.
1. Two infinite sheets sheets A and B are seperated by a distance d = 12 m. If the charge density is defined by
oA = -oB = 52 nC/m2. Find the potential difference between the sheets.
The value of the Energy required
Give your answer up to at least three significance digits.
V
Transcribed Image Text:1. Consider two infinite parallel oppositely charged plates. Which statments about this system are true? (There may be more than one.) O The electric field points from the negatively charged plate towards the positively charged plate. O The positively charged plate is at a higher potential. The electric field points from the positively charged plate towards the negatively charged plate. OThe potential difference is independent of the path taken by the test charge and depends only on the choice of the end points. 2. Consider two concentric spherical shells with opposite total charge. Suppose the inner shell has radius a and its charge is +Q and the outer shell has radius b and has charge -Q. Which statments about this system are true? (There may be more than one.) O The electric field points from inner shell to the outer shell. O The positively charged plate is at a lower potential. OThe electric potential difference is of the form U (a) - U (b) = kQ ( - ) O The electric potential difference given by the total work needed to move a test charge from the inner inner plate to the outer plate. Submit Math Expression Input Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N . m² /C?. Vacuum permitivity, €o = 8.854 x 10-12 F/m. Magnetic Permeability of vacuum, µo = 12.566370614356 x 10- H/m. Magnitude of the Charge of one electron, e = -1.60217662 x 10-19 C. Mass of one electron, m. = 9.10938356 x 10-31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, uC means micro coulomb. 1. Two infinite sheets sheets A and B are seperated by a distance d = 12 m. If the charge density is defined by oA = -oB = 52 nC/m2. Find the potential difference between the sheets. The value of the Energy required Give your answer up to at least three significance digits. V
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