a) The per capita consumption of electrical energy is approximately 10 kWh daily. If this were provided by the reaction at question 4 with 62% of the heat wasted, how much natural uranium in grams would each person use per day? (Note: abundance of U-235 is 0.711% by weight - i.e. natural uranium contains 0.711% U-235) The mass of natural uranium used daily by each person would be 19

The . capacity of the charge body to do work the . is the .24 * .electrical potential to work the greater is the electrical potential lower, lower lower, greater greater, lower greater, greater none of them O

Q1. We have an aluminum alloy containing 2 at% Mg. The electrical resistivity of this material is measured as 8x10-6 ohm.cm at 673 K. a) Calculate the impurity resistivity contributions. b) Estimate the electrical resistivity of aluminum containing %5 at% Mg at 200 °C?

A sample of wire (1 mm in diameter by 1 m in diameter) length) of an aluminum alloy (containing 1.2% Mn) is placed in an electrical circuit, as shown in the figure next to. A voltage drop of 432 mV is measured at wire length when it carries a 10 A current. Calculate the conductivity of this alloy.

Problem 1. Consider a half-wave rectifier circuit  with a resistive load of 25 Ωand a 60 Hz ac source of 110V rms. Determine v0(t) and i0(t), the rms values of v0(t) and i0(t), the average power delivered to the load .

Question 5 a) i. A piece of pencil lead is connected in series with an ammeter and a power supply. The power supply is turned on. After a few minutes, although the potential difference across the pencil lead does not change, the current in the circuit increases significantly. Explain why the current increases. The current /in a length of aluminum of cross-sectional area A is given by the formula I= nevA ii. e is the charge on an electron. Show that the units on the left-hand side of the equation are consistent with those on the right-hand side.

(5) show the figure (if needed), given, formula and substitution. thank you! promise i'll rate.

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P1.17.) A circuit element having terminals a and b has vab = 10 V and ina = 2 A. Over a period of 20 seconds, how much charge moves through the element? If electrons carry the charge, which terminal do they enter? How much energy is transferred? Is it delivered to the element or taken from it?

B01.2 QUESTIONS ON THIS CHAPTER C a رها The conductivity of a pure semiconductor is due to: al electrons. 2 □ 3 04 □5 al 02 3 04 5 A pure semiconductor is a good conductor when the temperature is: □ 2 □3 4 5 AP type semiconductor is obtained by adding impurities such as: al LESSON BOI: INTRODUCTION TO SEMICONDUCTORS 2 holes positive ions of the N regions and electrons electrons and holes positive ions of the P regions and holes □ 3 04 5 very high very low ol □ 2 □ 3 4 □5 absolute zero when ranging between 0 and 25 °K it is not affected by temperature An N type semiconductor is obtained by adding impurities such as: those belonging to group III of the periodic table of the elements al phosphorus only those belonging to group V of the periodic table of the elements those belonging to the group III of the periodic table of the elements antimony only gallium only boron in the proportion of 25 %, and arsenic as 75 % boron only aluminum and antimony together at 50% those belonging to group V…