20 V 8 A 60V 12 A P2.03 6ed Is the circuit’s interconnection valid? Valid: | No What is the total power developed by this circuit? 8 “+”absorbed “” delivered delivered Check
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(i) Show that the skin depth for Cu at 5×1015 Hz (middle of the visible light band) is
approximately 1 nm, compared to 10 mm at 50 Hz (AC mains frequency). (4 marks)
(ii) Show that for Cu the limit s e? ? corresponds to 18 f 010 Hz , meaning that this
approximation applies at frequencies up to at least the ultraviolet. (3 marks)
(iii) Show that for Cu at 1.0 MHz the ratio of the wavelength inside to that outside the
conductor (air or vacuum) is 1.41×10–6
. (2 marks)
(iv) Calculate the skin depth for steel at 50 Hz. (2 marks)
(v) If you want to prevent 50-Hz electromagnetic radiation from affecting a sensitive
electronic instrument, is it better to make the case of copper or steel? Explain your answer. (4
marks)
(vi) Mirrors are generally made by coating silver onto glass. Would coating iron onto glass
also make a good mirror? Explain your answer. (3 marks)
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24) Do-Well bonds have a face value of $1,000 and are currently quoted at 86.725. The bonds have a 7 percent coupon rate. What is the current yield on these bonds?
A) 8.07 percent
B) 8.47 percent
C) 7.67 percent
D) 7.42 percent
E) 9.03 percent
23) Use Figure 21.2. When the price decreases from $10 to $2, total revenue…$10— ? icn Demand Quantity A) decreases from areas A + B to areas B + C and demand is inelastic. 5 B) decreases from areas A + B to areas B + C and demand is inelastic. C) increases from areas C + D to areas B + A and demand is elastic. D) increases from areas B + C to areas A + B and demand is inelastic. Explain why
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????? ?????? – 23?/04?/2015 -1 Answer to Languages A survey of 100 aides at the United Nations revealed that 65 could speak English, 60 could speak French, and 40 could speak both Englishand… – 783196.
26. What taxes do the employee andthe employee both pay?
The following information is takenfrom the financial statement of Fellow’s Funeral Home:
Total current assets $62,000
Quick assets $40,000
Property, plant, equipment $17,000
Current liabilities $18,000
Long-term liabilities $14,000
Beginning A/R $8000
End A/R $5000
Owner equity $45,000
Beginning Inventory $30,000
Ending inventory $15,000
Cost of Goods Sold $45,000
Net Sales $68,000
Net income $84,000
27. What is the inventory turnoverfor Fellow’s FH?
28. What is the acid-test ratio forFellow’s FH?
29. What is the A/R turnover forFellow’s FH?
30. If you take a loan out for $4000 and you are going to pay it back over 2years at 5% interest, how much money total are you going to pay back?
23) A Treasury bond is quoted as 99.6325 asked and 99.1250 bid. What is the bid-ask spread in dollars on a $5,000 face value bond?
A) $17.500
B) $.675
C) $16.250
D) $.508
E) $25.375
Go to the Internet and find a web site that will allow you to perform specific task (e.g., make a hotel reservation, order eye glasses, etc.). Develop a user documentation that will include enough information for the end-user to use the system, even if the end-user has never used the system before
22-5. If coffee suppliers are price takers, how will an unanticipated increase in demand for their product affect each of the following, in a market that was initially in long-run equilibrium?
26. Process through which large organizations identify, choose and evaluate among range of brands is classified as A.small buying B.procedure buying C.organizational buying D.large buying 27. Individuals who request need of purchasing something are classified as A.initiators B.users C.influencers D.providers 28. Buying mode in which buyer purchases products or services for very first time is classified as A.new task B.modified task C.straight task D.in-house task 29 Form of undersupply relative to an explicit or implicit contract is classified as A.self-serving B.opportunism C.reduced opportunities D.asset specify 30. Individual who shapes product specifications and plays role in negotiation are classified as A.buyers B.suppliers C.approvers D.providers
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