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What is the electric potential to this charge at (2.0 m, -2 m)?What is the electric potential due to this charge at (-2.0 m, 0)?
What will be the magnetic field at the center of the same triangle, when charges are moving along its sides with constant velocity v in clockwise direction.
Find the work needed to move a point charge Q3 = 5 x 10-6 C from point A to point B along the curved path shown by the solid line.
Two Charge attract each other with force of 1.5N. What will be the force if the distance is reduced to one ninth of it original value.
Twelve grams of carbon contain Avogadro's number of atoms, with each atom having six protons and six electrons.
An equi-potential surface that surrounds a =3.0 x 10^-7 -C point charge has a radius of 0.15 m. What is the potential of this surface?
The battery has a potential difference of V = 10.0 V and five capacitors each have a capacitance of 10.0 uF.
The charges are in a uniform electric field whose direction makes an angle 36.5 degrees with the line connecting the charges.
This question is about how the properties of particles may be found from their constituent parts, and how these relate to the forces between them.
Find the electrostatic potential phi at all points in space outside of the surface of the conductors. You may neglect 1/r^4.
When you pull two socks out of a clothes dryer they stick to each other due to an accumulation of static charge.
A square of paper measuring a on a side carries a total charge +q which is uniformly distributed over its surface.
The electrical force on a 2-columb charge is 60 Newton's. What is the magnitude of the electric field at the place where the charge is located?
The resistivity of a semiconductor can be modified by adding different amounts of impurities. A rod of semiconducting material of length L .
A p-n photodiode acts as a photocell, the circuit is shown in this document. Outline the band profile of the diode for infinitely large RL for different levels
An Al-silicon dioxide-silicon MOS capacitor has an oxide thickness of 450Angstroms and a doping of Na=10^15 cm^-3.
Maxwell's equations for a homogeneous, isotropic, uncharged medium of conductivity, relative permittivity, and relative permeability lead to the expression.
Demagnetization can however be put to good use. One example is the magnetic shielding of instruments and experimental chambers.
Show that in a good conductor the magnetic field lags the electric field by 45 degrees and the find the ratio of their amplitudes.
The magnetic flux threading a metal ring varies with time t according to 3at^3-bt^2, with a = 7.7s^-3m^2T, and b = 2.8 s^-2m^2T.
Discuss which scattering mechanism dominates the thermal conductivity K of the sapphire crystal at 20 k.
A piece of solid metal weighing 322 grams is placed into a graduated cylinder, which is then filled with liquid mercury. The metal does not float.
A solid object made out of lead has a volume of 24.0 cm3 and is supported (from above) by a string while the object is completely submerged in water.
A proton makes a head-on collison with an unknown particle at rest. The proton rebounds straight back with 4/9 of its initial kinetic energy.
A tank of oil, p=670kg/m^3, develops a leak. The leak is 6m below the open surface of the tank.