Explain physically how one can use gauss law
(i) Explain physically how one can use Gauss's Law to find the electric field of a long (infinite) charged wire? (ii) Now do the same for a finite charged wire, explain why you can still use Gauss's Law but it's not useful to use in the case.
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The number of traffic accidents in a town in 10 randomly chosen rainy days in 2012 is as follows: {4, 0, 6, 5, 2, 1, 2, 0, 4, 3). Use these data to estimate the proportion of rainy days in this town that had 2 or fewer accidents that year.
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So why don't the electric fields for the infinite line and infinite sheet of charge also fall off in the same way? Hint: As the Gaussian surface gets very far from the source charge, look at what its characteristics depend on.
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A sphere is placed in a uniform external electric field. Accurately draw the vector field lines for the situation when the sphere is a (i) conductor and (ii) then replaced with a uniformly polarizable dielectric. (iii) Briefly explain how your fie
Steam enters a turbine at 120 bars and 440 0C and expands to 1 bar. At the exit entropy is 0.650 kJ/kg. K, greater than at the inlet. The process is adiabatic and change in kinetic and potential energies may be neglected.
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Title: The Special Skills of Two Special Basketball Players (Comparison)