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A capacitor is constructed of two concentric conductingcylindrical sheels. The radius of the inner cylindrical shell is2.35 x 10-3 m, and that of the outer shell is 2.53 x10-3 m. When the cylinders carry equal and oppositecharges of magnitude 2.1 x 10-10 C, the electric fieldbetween the plates has an average magnitude of 3.3 x 104V/m and is directed radially outward from the inner shell to theouter shell. Determine (a) the magnitude of the potential difference between the cylindrical shells and(b) the capacitance of this capacitor.
cylindrical conductor with radius r and length l carries a uniformly distributed net charge q. this conductor is
A simple dc-motor is made up of a single coil rotor placed between two permanent magnets. How many turns should the coil have so that the motor can supply a torque of 0.100 N-m
A charged particle moves through a velocity selector at a constant speed in a straight line. The electric field of the velocity selector is 4290 N/C, Find the charge-to-mass ratio of the particle
The quantity of charge q (in coulombs) that has passed through a surface of area 1.92 cm2 varies with time according to the equation q = 4t3 + 5t + 6, What is the instantaneous current through the surface at t = 1.02 s
A horizontal spring with spring constant k is on a frictionless surface with one end of the spring fastened to a wall. The spring is compressed a distance ?x from its equilibrium length and a block of mass m is placed against it. If the spring is now..
One cubic meter (1.00 m3) of aluminum has a mass of 2.70 103 kg, and the same volume of iron has a mass of 7.86 103 kg. Find the radius of a solid aluminum sphere that will balance a solid iron sphere of radius 1.24 cm on an equal-arm balance.
Considering the equation for heat transfer through a wall, describe two simple ways to modify ahome to decrease the rate at which heat is lost through the walls.
a small particle with a mass of 2 kg carrying a charge of 1 nc is at the surface of a charged spherical conductor of
A nonuniform, horizontal bar of mass is supported by two massless wires against gravity. Find the position of the center of mass of the bar
Calculate the nonconservative work
Very short pulses of high-intensity laser beams are used to repair detached portions of the retina of the eye. find the maximum value of the magnetic field in the laser beam
It has been suggested that we should use our power plants to generate energy in the off-hours (such as late at night) and store it for use during the day. What length of flywheel would you need in that case
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