Go over each of these figures slowly, checking for understanding as you go. Show this to the class, using the PowerPoint slides for Figure 6—4 and Figure 6—5.
To check for understanding, have students determine what amperage the current is flowing at in Figure 6—5. Also, have them figure the RT for the same circuit.
Use the PowerPoint slides for Figure 6—6 and Figure 6—7 to further illustrate this process. Explain each formula and have students fill in the missing numbers for Figure 6—8 through Figure 6— This is an excellent way to test for understanding.
Explain that the answer will be the same, but one formula is easier to use with decimals than the other. Also, as you progress you may need to do a brief algebra review to figure missing factors for circuits in Figure 6—12 through Figure 6— For example, Figure 6—17 provides PT, and students will need to do some very basic math to solve for P1.
Show the students that once they have found P1 and E1, they can find I, which is a constant throughout a series circuit. To find I, they will need to remember that P 5 E 3 I. Write it out for your students on the board or overhead: P 1 5 E1 3 I 1 0. The key here is that I is multiplied by 1, so the answer is simply I. Have students fill in 0. Prepare some circuits of your own, with just enough information to get them started, and have them do several practice circuit problems before advancing to voltage dividers.
Refer to the PowerPoint slide for Figure 6— Using 0. This is an excellent check for understanding and will let you know if anything needs to be retaught. Also, go over the metric conversion chart again.
Explain that it is closely related to the E-R-I triangle. Have students do some practice problems. As with all other formulas, have students copy this into the front of their notebooks.
Also, cover the proper procedure for rounding off numbers. Explain why it is done and how to know whether to carry the answer beyond three places to the right of the decimal. Use the automobile chassis as an example of a chassis ground, as is done in the text. For an example of an earth ground, refer back to Unit 3 and the discussion of lightning rods.
Discuss above-ground voltage versus below-ground voltage, with ground serving a type of dividing line or common point of separation. Remind students that an above-ground voltage is positive in respect to ground, and that a below-ground voltage is negative in respect to ground. Also, provide copies of the circuits chart located is question 1 of the practice problems at the end of the unit of the text for students to complete.
In a series circuit, the total voltage drops must equal the applied voltage. Therefore, the resistor must have a voltage drop of 12 V 24 V — 12 V. The V resistor will have a voltage drop of The defective lamp can be found by measuring the voltage across each lamp.
If the power is turned on, the full volts will be across the defective lamp. The ohmmeter could be used, but it would require turning off the power and measuring the filament resistance of each lamp. This would, of course, be a safer approach, but the problem was to determine the quickest way of finding the defective lamp.
Eighty-five percent of the full-load current is The amount of resistance needed to obtain this value of current is 1. The ohmic value for resistor R2 is the difference between the needed value and the armature resistance or 0. The power dissipation of resistor 2 is 5, watts The ohmic value for resistor 1 will be the difference between the needed value and the combined resistance value of resistor 2 and the armature 3.
Explain to students that Units 7 and 8 will call for them to be familiar with all the previously learned formulas and their applications. The new formulas learned in this unit will be used as well in Unit 8. Instruct students to be ready to write notes concerning parallel circuits into their notebooks. Go over the unit objectives and make students aware of the key terms they will need to learn in this unit. Prepare some blank parallel circuit diagrams, making them progressively more complex, for students to practice on.
Fill in just enough information for the student to start with, and then have them use the formulas to fill in the blanks. These circuit diagrams make excellent warm-up exercises for Unit 7. Students need to see this definition, as well as hear it. Using this same slide, explain current adds. This is much easier to understand visually than it is verbally. Have students explain this concept back to you, using the slide as their guide. Voltage Drop Use PowerPoint slide 7.
Have students copy the rule for voltage drop into their notes. Compare this to a series circuit, where the amperage I is a constant throughout the circuit.
En can be filled in immediately in a parallel circuit as I can be, in a series circuit because they will be the same as ET. Student attempts to model answer using vector addition but has more than 2 missing parts, OR student answer is incorrect and did not use the number line. Stevenson's Rising Academic Stars. Key Resources: In our effort to support campuses,. Monday Final Review Part 1 quizizz Sample graphs you will need for now through the end of module 6 Cite evidence from the text to support your answer.
Record your final test answers on the answer sheets following this page of the workbook. You will only be asked to explain 3 of your answers from the DBA preparation questions, but you will not know which 3 questions. Second Semester. Assignment 7. The Listening test takes about 40 minutes — 30 minutes to listen to a tape and to answer questions on what you hear, and 10 minutes to transfer your answers to the Answer Sheet.
Use this value of x to find the measures of the sides of the triangle. It is divided into three chapters, each covering a module from the standard TKT test; it contains tasks specifically designed to help candidates know the structure and learn important tips to really get band 4 on this teaching knowledge qualification. Module 4, Lesson 2 3. Equilateral means that all sides are congruent. Determine if the statement is true or false.
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You may return to it later if time permits. Be sure that the question number on the answer sheet matches the number on the test. C encourage 2. Some of the worksheets for this concept are Grade 5 module 4, Grade 5 module 4 unit 2 overview, Grade 5 module 1, Grade 5 module 4, Grade 5 mathematics practice test, Grade 4 curriculum map, Bridges in mathematics grade 5 unit 2 module 3, End of the year test. If you do not know the answer to a question, skip it and go on. Sometimes Source: Public Domain Which statement reflects the Enlightenment ideas of natural law as expressed by Locke?
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If a figure is a square, then its diags. This is an equation editor item. The North had factories, railroads, and ports. No files in this folder. True Answers: 2 Show answers Another question on English. Conduction in Liquids and Gases. Batteries and Other Sources of Electricity. Magnetic Induction. Basic Trigonometry and Vectors. Alternating Current.
Inductance in Alternating Current Circuits. Resistive-Inductive Series Circuits. Resistive-Inductive Parallel Circuits. Capacitance in Alternating Current Circuits. Resistive-Capacitive Series Circuits. Resistive-Capacitive Parallel Circuits. Resistive-Inductive-Capacitive Series Circuits.
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