Physics, 10.03.2020 09:16 imknutson962

A cylindrical capacitor is made of two concentric conducting cylinders. The inner cylinder has radius R1 = 19 cm and carries a uniform charge per unit length of λ = 30 μC m. The outer cylinder has radius R2 = 45 cm and carries an equal but opposite charge distribution as the inner cylinder > 14% Part (a) Use Gauss' Law to write an equation for the electric field at a distance R1 < r < R2 from the center of the cylinders. Write your answer in terms of, r, and eo Grade Summa ry 0% 100% Potential Submissions Attempts remaining:

Answers: 2

Show answers

Answers

Answer from: spookymod4845

Complete Question

The complete question is shown on the first and second uploaded image

The equation of the electric filed is $E= \frac{\lambda}{2 \pi \epsilon_0 r}$

The potential difference is V = 4.652 *10^5Volt

Explanation:

Gauss Law states the net electric flux that is passing through an enclosed area would have a direct proportionality with the combination of the electric charge enclosed in that area

Mathematically,

∮ $E \cdot dA =\frac{q}{\epsilon_0}$ $E(2 \pi r l)=\frac{q}{\epsilon_0}$

$E=\frac{q}{2 \pi r l \epsilon_0}$

$= \frac{\lambda}{2 \pi \epsilon_0 r}$

The l was eliminated from the equation because R1 < r < R2

Mathematically the potential difference is given as

$V =\int\limits^{R1}_{R2} {E} \, dr$

$=\int\limits^{R1}_{R2} {\frac{\lambda}{2 \pi \epsilon_0 r}} \, dr$

$=\frac{\lambda}{2 \pi \epsilon_0 r} (ln(R2)-ln(R1))$

$\frac{\lambda}{2 \pi \epsilon_0 r}ln(\frac{R2}{R1} )$

Substituting

$30 \mu C \ m for \ \lambda \ 8.8*10^{-12} \ for \ \epsilon_0 45cm \ for \ R2 \\and \ 19cm \ for \ R1$

$V =\frac{30*10^{-6}}{2* (3.142)(8.85*10^{-12}))}*ln(\frac{45cm}{19cm} )$

= 4.652 *10^5Volt

A cylindrical capacitor is made of two concentric conducting cylinders. The inner cylinder has radiu

Answer from: Quest

scattering of light by tiny particles in air to produce the colors we see on sky, is dependent on the following factors:

(i) wavelength of light

(ii) size of the scattering particle

(iii) distance traveled by light through the atmosphere.

according to rayleigh's law of scattering, the amount of scattering is inversely proportional to the fourth power of its wavelength. shorter the wavelength, greater is its scattering. hence violet/blue light is scattered more than red.

sun's light is a composite light ( visible light) with wavelengths in the range 400 nm (violet) to 700 nm (red). as sunlight passes through our atmosphere, the molecules of air scatter light according to their wavelengths. during sunrise and sunset, the sun's position is below the horizon. hence light from the sun travels a greater distance in the atmosphere when compared to its position a noon.

as sunlight enters the earth's atmosphere, blue light is scattered away and at the end of its journey in the sky, only red and orange wavelengths remain in the beam.

hence at sunrise and sunset, the sky appears reddish orange.

Answer from: Quest

because if the tool that you are using is not balanced it there would be false mass.

Another question on Physics

Physics, 21.06.2019 21:20

Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above

Answers: 3

Answer

Physics, 22.06.2019 04:30

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Answers: 1

Answer

Physics, 22.06.2019 12:40

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)

Answers: 1

Answer

Physics, 22.06.2019 23:30

Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?

Answers: 1

Answer

You know the right answer?

A cylindrical capacitor is made of two concentric conducting cylinders. The inner cylinder has radiu...

Questions