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3 years ago

In order to defend against side channel power analysis, we should: ______________

Engineering

1 answer:

wariber [46]3 years ago

8 0

Answer:

Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit. ... The words "predator" and "prey" are almost always used to mean only animals that eat animals, but the same concept also applies to plants: Bear and berry, rabbit and lettuce, grasshopper and leaf

Explanation:

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What is the dimensionless heat conduction rate for a sphere at surface temperature T1 buried in an infinite medium of temperatur

dexar [7]

Solution :

The dimensionless conduction heat rate, $q_{ss}^*$

$q_{ss}^*=\frac{q\times L_c}{K A_s(T_1-T_2)}$ ...........(1)

where $L_c$ = characteristic length

$=\left(\frac{A}{4\pi} \right)^{1/2}. \sqrt{\frac{D^2}{4}}$

A is surface area

q = heat transfer

$q=Sk(T_1-T_2)$ ..................(2)

where, S = conductor shape factor

Now substituting (2) in (1),

$q_{ss}^* = \frac{Sk(T_1-T_2)L_c}{kA(T_1-T_2)}$

$q_{ss}^* = \frac{S \times L_c}{A}$

$q_{ss}^* = \frac{S \times D/2}{\pi D^2}$

$q_{ss}^* = \frac{S \times D}{2\pi D^2}$ ...................(3)

For a sphere, we know S = 2πD

Putting this in (3),

$q_{ss}^* = \frac{2 \pi D \times D}{2\pi D^2}$

$q_{ss}^* = \frac{2 \pi D^2}{2\pi D^2}$

$q_{ss}^* = 1$

Therefore, the dimensionless heat conduction rate for a sphere is 1.

7 0

3 years ago

Proper grain stress/strain analysis is required in solid motor design: A. To ensure good motor structure B. To avoid surface cra

WITCHER [35]

Answer:

The correct answer to the given statement is

option D. All of the above

Explanation:

Analysis of proper grain stress/strain is important as it ensures good mechanical motor structure.

With the help of analysis surface cracks can be checked and proper maintenance can be provided. It further helps in keeping check in order to avoid separation of bonds.

Therefore, qualitative analysis and in depth analysis can reduce errors and helps to maintain the qualitative parameters.

7 0

3 years ago

Which substance(s) have no fixed shape and no fixed volume?

Black_prince [1.1K]

Answer:

I think gas substances

5 0

4 years ago

Read 2 more answers

Ok this really isn’t a question but I need help, I’m wondering if a Samsung galaxy 9 is a good phone

Savatey [412]

Answer:

yes it is

Explanation:

it's an extremely good phone in my opinion

7 0

4 years ago

Read 2 more answers

A photovoltaic panel of dimension 2mÃ—4m is installed on the

blsea [12.9K]

Answer:

Explanation:

Simply put, a solar panel works by allowing photons, or particles of light, to knock electrons free from atoms, generating a flow of electricity. Solar panels actually comprise many, smaller units called photovoltaic cells. (Photovoltaic simply means they convert sunlight into electricity. The attached diagram give an ilustsration of the photovotaic pannel mounted on a roof top.

Solution

To Determine the electric power generated for

a) A still summer day.

E = A * r * H * PR

E = Total Amount of Energy in kilowatt

A = Total Surface Area

r = efficiency Rating

H = global radiation value

PR = Performance Ratio

kwh = watt * Time/1000

kwh = 100 * 35/1000

3.5

kwh = watt * Time/1000

kwh = 30 *15/1000

4.5

6 0

3 years ago