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Please write your work neatly so I could understand it 3. A very long, straight line...

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Physics

Please write your work neatly so I could understand it

3. A very long, straight line of charge runs parallel to a verylarge, planar sheet of charge. The 2 charge density of the line is-2.0 nC/cm and that of the sheet is +0.50 nC/cm^2 . Thedistance

between the line and the sheet is 8.0 cm. An electron isreleased at rest, at a location that is halfway between the lineand the sheet. Use conservation of energy to calculate the speed ofthe

electron when it strikes the sheet. (Hint: calculate thepotential difference due to line only and then the potentialdifference due to the sheet only, and add them up to get thepotential difference

you need to determine the speed)

4. You have three capacitors, of 10 nF, 20 nF and 30 nFcapacitances, and a voltage source of 11

Volts.

A. Connect the capacitors in series and apply the voltage acrossthe network. Calculate the equivalent capacitance of the network,the charge stored in the network, the energy stored in the

network, and the voltage across each capacitor.

B. Connect the capacitors in parallel and apply the voltageacross the network. Calculate the equivalent capacitance of thenetwork, the charge stored in the network, the energy stored inthe

network and the charge stored in each capacitor.

Answer & Explanation Solved by verified expert
4.0 Ratings (452 Votes)
3 Linear charge density of line of charge 20 nCcm 20 x 107 Cm Surface charge density of sheet of charge 050 nCcm2 050 x 105 Cm2 Distance between line of charge and sheet of charge R 80 cm 008 m Distance from mid point to each charge distribution R2 004 m Electric field at a point near a sheet of charge E 2o We have E dVdr Potential difference dV1 Edr 2o x R2 050 x 105 2 x 8854 x 1012 004 11294 V Electric    See Answer
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