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slega [8]
3 years ago
13

Answer these questions plz​

Physics
1 answer:
lozanna [386]3 years ago
8 0

1. The property of a conductor by virtue of which it posses the flow of electric current through it is called resistance.

2. The resistance of a conductor depends on the cross sectional area of the conductor and it's resistivity.

3.This id due to the fact that the resistance of a wire is inversely proportional to the square of its diameter.

4.Due to at high temperatures , the alloy donot oxidize. Alloy doesn't melt readily and get deformed.

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S To minimize neutron leakage from a reactor, the ratio of the surface area to the volume should be a minimum. For a given volum
goblinko [34]

To minimize neutron leakage from a reactor, the ratio of the surface area to the volume should be a minimum. For a given volume V ,  ratio for (c) a parallelepiped of dimensions × 2 a will be \frac{6.29961}{c^\frac{1}{3} }

What will be the ratio of surface area and the volume of the parallelepiped

We will proceed by stating the equations of the surface area and the volume of each shape, and then identifying each of the surface area and the volume, we will take their ratios, and as it is asking for the shape which has the minimum surface area to volume ratio, therefore at some given volume, V=const.

The parallelepiped whose dimension is given as

2a,a,a

the surface area and the volume is given respectively by:

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Let the volume be equal to the constant c, we get:

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Hence the ratio is given by:

\frac{A}{V} =\frac{10a^{2}}{2a^{3}}=\frac{5}{a}

Calculating the constants, by substituting the value of a in (3), we get:

\frac{A}{V}=\frac{6.29961}{c^\frac{1}{3} }

To learn more about parallelepiped, refer to:

brainly.com/question/27975136

#SPJ4

5 0
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