PHYS1231 > Quizzes > Quiz 1

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• A charge q=+9
• A cube with side length l=9
• A hemisphere with a flat circular bottom is placed in an electric field as shown in the figure
• A non-conducting ring has a radius r and a constant charge distribution of lambda
• A particle with a charge +0
• A radial electric field is described by
• A sphere has a charge of q=9
• Above is a cross section of  spherical shell made of conducting material, with a spherical open cavity in the centre
• An electric dipole consists of two equal but opposite charges separated by a distance of 2a
• An electric dipole consists of two identical but opposite charges separated by a distance 2a
• An uncharged conductive rectangular block lies in a uniform electric field E
• Around a single point charge +Q are indicated equipotential surfaces with radii r1 and r2
• Consider a square with side length l=8
• Consider two positive charges, +q, separated by a distance of 2a
• Consider two protons separated by 5
• For a uniformly charged cylinder of infinite length with radius rr a coaxial cylindrical Gaussian surface (dashed line) of length ll and radius r1_rr1_r is used
• Four charges_ +q,−q,−2q and +2q+q,−q,−2q and +2q with q=7
• Six identical charges are arrange in a circle (60° between them)
• There is a uniform electric field in the negative yy direction
• This is an infinitely large sheet with uniform surface charge density х
• This is the cross-section of a charged sphere of radius
• Two charged balls both with mass mm and charge q are suspended from a thread with length l
• Two charges +Q=+5
• Two identical conducting spheres are a distance d=6
• Two positive charges q1=+3
• Two positive charges with charge q1=+3