Circuit Test

Name___________________________ Date _____________________

SERIES/PARALLEL CIRCUITS TEST

Answer ALL questions. You must show working to receive full marks.

1.     Calculate the total resistance for a 5 ohm, a 3 ohm, and a 10 ohm resistor connected in series. (3 marks)

2.     Calculate the total resistance for five 120 ohm resistors in series. (3 marks)

3.     A string of fifty 15 ohm Christmas tree lights are connected in series. One burns out, they all burn out. Calculate the total resistance. (3 marks)

4.     If those fifty 15 ohm, series connected Christmas tree lights, are connected to a 115 V source. Calculate the total current in the circuit. (3 marks)

5.     Calculate the total resistance for two 180 ohm resistors connected in parallel. (3 marks)

6.     A 10 ohm, 20 ohm, and 100 ohm resistors are connected in parallel. Calculate the total resistance. (3 marks)

7.     A string of five 10 ohm Christmas tree light are connected in parallel. One burns out, the rest will stay lit. Calculate the total resistance. (3 marks)

8.     Two 100 ohm resistors are connected in series and they are connected to a 1.5 V DC battery. What is the total current flowing in the circuit? (4 marks)

9.     Three 1.2 ohm lamps are connected in series and connected to a 3 volt battery. Calculate the total current in the circuit. (4 marks)

10.                         Three identical lamps are connected in series to each other and then connected to a 6 V battery.  What is the voltage drop across each lamp? (3 marks)

11.                         How does the current behave in a series circuit? (2 marks)

12.                         Two 5 ohm resistors are connected in parallel followed by two more 5 ohm resistors connected in parallel. What value of a single resistor would be used to replace these four resistors? (4 marks)

13.                         In the diagram below, the batteries are 1.5 V and each lamp has a resistance of 1.1 ohm. When the switch is closed,

a.     What is the current through each lamp? (4 marks)

b.     Power is measured in watts. If power = voltage x current, what is the power dissipated in each lamp? (2 marks)

14.                         In the diagram below,

a.     What is the current through the lamp when the switch is open? (1 mark)

b.     What is the current through the lamp when the switch is closed? (3 marks)

15.                         In the diagram below,

a.     What is the internal resistance of the light after the switch is closed? (3 marks)

b.     What is the power dissipated by the lamp? (2 marks)

NB the 400mA should be 0.004 A

A

16.                         How does voltage behave across components in a parallel circuit? (2 marks)

17.                         What happens to the current in a parallel circuit? (2 marks)

18.                         In the circuit below, after the switch is closed, calculate:

a.     The total resistance. (3 marks)

b.     The voltage across each resistor. (2 marks)

c.      The current flow through each resistor. (2 marks)

19.                       

a.     Calculate the total resistance for the circuit above. (4 marks)

b.      Find the total current in the circuit. (2 marks)

c.      Calculate the current that flows through R2. (3 marks)

d.     Calculate the current that flows through R5. (3 marks)

e.      Calculate the voltage drop across R1/R2. (3 marks)

f.       Calculate the voltage drop across R3/R4/R5. (3 marks)

Total Marks: 80

Entrep Exercise

Please download and complete the following activity

Entrep Classwork

Supervisory Management

Please download the following documents

Leadership Style Questionnaire


Leadership Style Case Study

Complete the two docs and email it to me

Carry Out Data Entry and Retrieval Procedures Exam Checklist

Carry Out Data Entry and Retrieval Procedures

Assessment Checklist

I am able to do the following:

Ms Excel

• ·         Type in the cells
• ·         Wrap text in a cell
• ·         Adjust columns and rows
• ·         Insert a new/blank column and row
• ·         Remove existing column and row
• ·         Use the following formulae

o   =SUM()

o   =AVERAGE()

o   =MAX()

o   =MIN()

• ·         Use formula to calculate total by multiplying
• ·         Use standard formatting features

o   Bold, Italic, Underline

o   Copy and paste

o   Fill colour

o   Change font colour, size, type

o   Align left, centre, right

o   Merge and centre

o   Change number values: currency, text, percentage etc.

• ·         Insert borders
• ·         Insert header and footer
• ·         Adjust margins
• ·         Adjust paper size and orientation
• ·         Rename worksheet
• ·         Save workbook

Ms Word

• ·         Type the document
• ·         Create bulleted and numbered lists
• ·         Create table given number of columns and rows
• ·         Merge cells in the table
• ·         Use standard formatting features

o   Bold, Italic, Underline

o   Copy and paste

o   Fill colour

o   Change font colour, size, type

o   Align left, centre, right

• ·         Insert borders
• ·         Insert header and footer
• ·         Adjust margins
• ·         Adjust paper size and orientation
• ·         Save document

Internet

• ·         Open a browser
• ·         Use a search engine to do online research
• ·         Save the information found in a Ms. Word document
• ·         Modify the formatting of the document
• ·         Send the document as an attachment

Use Established Document Systems

For today's class please download the databases and zipped pictures.

Suppliers

Project2

Pictures

Use Document Systems: Access Database Tutorial

Please click on the link below to download the database file and the short tutorial

Database

Tutorial

BCD Entrep Pretest

SECTION 1

Instruction for questions 1 to 5:

For each of the following select the most suitable response. One (1) mark will be awarded for each correct answer.

1.      The creation of new firms is important because they contribute to economic development by providing all of the following benefits EXCEPT:

a.       Product-process innovation

b.      Increased tax revenues

c.       Unemployment

d.        Social betterment

2.      Entrepreneurs need to be creative for all the following reasons EXCEPT:

a.       generating new business ideas

b.      recognizing new needs of customers

c.       finding new ways to avoid paying debts

d.      finding new solutions to problems they encounter

3.              Play-Doh, a modeling compound used by children for art and craft projects, was first manufactured as wallpaper cleaner in the 1930’s. What aspect of the S.C.A.M.P.E.R model is this scenario describing?

a.       Put to other use

b.      Reverse

c.       Amplification

d.      Combination

4.      The total value of goods and services produced in a country within any given period is called its:

a.       Gross Domestic Product

b.      Market

c.       Environmental Scanning

d.      Import

5.      Risk can be best defined as:

a.       Making a guess involving all the management and workers of the company

b.      A judgment call to all customers who are engaged in risk taking

c.       Degree of probability that the possible result of a particular course of action will occur

d.      Being full of anxiety and having a gut feeling

SECTION 2

Instruction for questions 6 to 10:

For each of the following statements, place T for True and F for False in the space provided. One (1) mark will be awarded for each correct answer.

6.                     ___ Exchange Rates and Inflation Rates are economic variables.

7.                     ___ The Marketing Mix entails product, price, package, promotion.

8.                      ___ The SCAMPER model is used for generating ideas for products.

9.                     ___ Self Concept is a mental picture of how a person sees him/herself while Self Esteem is the degree to which a person likes or dislikes him/herself.

10.                 ___ Entrepreneurship covers all types of businesses whether illegal or not.

SECTION 3

Instruction for questions 11 to 15:

For each of the following statements, place EV if they describe entrepreneurship venture and WE if they describe wage employment. One (1) mark will be awarded for each correct answer.

11.                                    Can always determine the work hours                      __________

12.                                    Is self-employed                                                        __________   

13.                                    Pursues further education at employer's expense      __________

14.                                    Earns money from the business as “Drawings”       __________

15.                 Never uses personal assets to finance the business    __________

SECTION 4

Instruction for questions 16 to 19:

From your knowledge of the Johari Window Model, state which quadrant is represented by each scenario. One (1) mark will be awarded for each correct answer.

16.     Everyone, including you, knowing that you received a professional certificate in your trade/vocation represent this quadrant of the Johari Window. _____________________	17.     Everyone in your family knowing that you have the potential to be a skilled tradesman even though you constantly believe that you do not would represent this quadrant of the Johari window. ________________________
18.     Keeping your ability as an accountant a secret from everybody you know would be an example of this quadrant of the Johari window. _____________________	19.     No one, including you, knowing how you will respond if the country enters a state of emergency would represent this quadrant of the Johari Window ___________________

SECTION 5

Instruction for questions 20 to 26:

For each of the following questions provide suitable short responses on the writing paper provided by the assessor.

20.    Define the following terms

a.       Nuisance Risks.                                                                                   (2 marks)

b.      Niche Market.                                                                                     (2 marks)

21.    State the meaning of each letter in the acronym SWOT.                                    (4 marks)

22.    List two benefits of entrepreneurship to Jamaica.                                               (2 marks)

23.    State the name and business of TWO (2) prominent Jamaican entrepreneurs.    (4 marks)

24.    Explain TWO (2) personal entrepreneurial characteristics.                                 (6 marks)

25.    Mr. Walters owns a restaurant in Portmore. He notices that since 2011 the number of repeat customers has steadily declined. One of his employees has recommended that they place a suggestion box in the restaurant and provide cards that the customers can use to provide feedback on the goods and services offered. Explain how feedback can benefit Mr. Johnson’s entrepreneurial venture.                                                                     (4 marks)

26.    Paul, who operates a building drafting business, offers an option to print blueprints for repeat customers at a 50% discount. However, the plotter has stopped working due to poor maintenance. Paul then placed a notice in the front window, informing clients that they will now have to print the blueprints themselves. Since then, there has been a decrease in the number of clients.

a.       Which part of the SWOT analysis would this scenario represent to Paul?  (2 marks)

b.      Describe what Paul could have done differently to mitigate a decrease in the number of clients.                                                                                                 (5 marks)

TOTAL MARKS: 50