Other Engineering Answers

Design a Menu class having menuList as an attribute which is a static ArrayList. Load the menuList with Dish object comprising some sample dishes using static block

In how many ways a relation can be represented? State two different

examples to represent each of them.

If the density of states function in the conduction band of a particular semiconductor is a constant equal to K, derive the expression for the thermal-equilibrium concentration of electrons in the conduction band, assuming Fermi-Dirac statistics and assuming the Boltzmann approximation is valid. Also drive equation if the density of states function is given by g.(E) =C1, (E-Ec) for E> Ec. where C1 is a constant.

For the Boltzmann approximation to be valid for a semiconductor, the Fermi level must be at least 3kT below the donor level in an n-type material and at least 3kT above the acceptor level in a p-type material. If T = 300 K, determine the maximum electron concentration in an n-type semiconductor and the maximum hole concentration in a p-type semiconductor for the Boltzmann approximation to be valid in (a) silicon and (b) gallium arsenide.

The steady state error due to ramp input for a type two system is equal to

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Find latitude and longitude of first 20 countries with a population greater than or equal to the population limit given below. Use the country details from this dataset.

Your task is to find the sum of the length of all lines (in kms) that can be drawn between co-ordinates of these countries.

• Assume radius of earth: 6371 km
• Round length of each line and final result to 2 decimal points
• If co-ordinates are missing for any country use 0.000 N 0.000 E

Population limit: 57100

Note: Population limit will change at random intervals. So please make sure answer is computed for the correct population limit before submitting.

Find latitude and longitude of first 20 countries with a population greater than or equal to the population limit given below. Use the country details from this dataset.

Your task is to find the sum of the length of all lines (in kms) that can be drawn between co-ordinates of these countries.

• Assume radius of earth: 6371 km
• Round length of each line and final result to 2 decimal points
• If co-ordinates are missing for any country use 0.000 N 0.000 E

limit is2302