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Presented by: The MAPs Team M ike a nd P aul G et Wired using The S imple C ircuit B oard G et Wired using The S imple C ircuit B oard.

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Presentation on theme: "Presented by: The MAPs Team M ike a nd P aul G et Wired using The S imple C ircuit B oard G et Wired using The S imple C ircuit B oard."— Presentation transcript:

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2 Presented by: The MAPs Team M ike a nd P aul G et Wired using The S imple C ircuit B oard G et Wired using The S imple C ircuit B oard

3 To Download this Presentation G o to S cience S cene.com S elect

4 Example Prices for Circuit Boards AP6302Simple Circuits Kit $ W2 Circuit Board $ W2. Standard flashlight bulb $3.25 Pk. Of 10 Total Cost $21.00 Simple Circuits Kit AP6302 Each for $43.05 AP6302Simple Circuits Kit $37.10 Average Price of Commercially made Circuit Board $ each 4

5 Building the Simple Circuit Board - Materials Magnets 2. 1 – Simple Circuit Card 3. 3 – Lamp Units 4. 6 – Paper Clip 5. 1 – Diode 6. 3 – 10 Ohm Resistors 7. Toothpick 8. Steel wool for Fuse 9. Red and Black Wire for Battery Connection 9 5

6 Building the Simple Circuit Board P arallel C ircuit S eries C ircuit C ombined C ircuit 4

7 Building the Simple Circuit Board - Lamps Bend Paperclip 90 Degrees Two Bent Paperclips and Light Bulb Completed Lamp Unit Heat Shrink Tubing Wire Wrapped Around P.C. Christmas Light bulb 3

8 Multimeters Amperage Voltage 2

9 Building the Simple Circuit Board - Magnets 1. Place Glue on Back of Magnet. 2. Place Magnet on Circuit Board. 1 1

10 Building the Simple Circuit Board – Completed 1. Place Paperclips as Indicated. 2. Attach Lamp Units. 3. Attach Power Supply. 2 0

11 Looking at Electricity - Qualitative Characteristics 1. Observe the lights. (number lit and brightness) 2. Describe the effect of moving bulb unit 1 just enough to break the circuit of the rest of the bulbs. 3. Describe the effect of moving bulb unit 2 just enough to break the circuit of the rest of the bulbs. 1

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13 Looking at Electricity - Quantative Characteristics 1. Volts - Pressure that cause the current to flow. The potential difference across a conductor in an electric field 2. Amperes - Rate of the current flow. One ampere is approximately equivalent to ×10 18 electrons moving past a boundary in one second. 3.Ohms - Resistance of the conductor (wire or hose) to the flow. A device has a resistance of one ohm if one volt causes a current of one ampere to flow. 4. Watts - Power produced due to the pressure and the flow of the electrons. 4 0

14 Parallel Circuits - Obtaining Voltage Data 4 3

15 Parallel Circuit – Voltage Data 5 Circuit Simulator 4.3 Power Source ( Master - 1a) 4.3 2b – 2b 1(2) 4.3 1b – 1a 1 (1) VoltagePlacement of Meter Pattern observed: Voltage is constant in parallel circuits 4.3 3b – 3a 1(3) 4.3 1b – 3a 1(1+2+3) 2

16 Parallel Circuit – Obtaining Amperage Data 3 Bulb - 3b Bulb - 2b Bulb - 1b Master - 1b 1

17 Parallel Circuit - Data 5 Circuit Simulator 0.60 Master – 1a 3(1+2+3) 0.21 Bulb – 2b 1(2) 0.20 Bulb – 3b 1(3) AmperageAmmeter Placement Pattern observed: Amperage is additive in parallel circuits 0.21 Bulb – 1b 1(1) 0

18 Series Circuit 3 1. Place Paperclips as Indicated. 2. Attach Lamp Units. 3. Attach Power Supply. 4

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21 Series Circuits - Obtaining Voltage Data 4 3

22 Series Circuit – Voltage Data 1.6 3b – 3a 1(3) 1.6 2a – 2b 1(2) 1.6 1b – 1a 1(1) VoltagePlacement of Meter 3 Circuit Simulator Pattern observed: Voltage is additive in Series circuits 4.8 Power Supply Master - 3a 4.8 1b – 3a 3(1+2+3) 2

23 Series Circuit – Obtaining Amperage Data 3 Master – 1b 1

24 Series Circuit – Amperage Data.156Master – 1b 3(1+2+3).156 Bulb – 2b 1(2).157 Bulb – 3b 1(3) AmperagePlacement of Meter 4 Circuit Simulator Pattern observed: Amperage is constant in Series circuits.156 Bulb – 1b 1(1) 0

25 Conductors Red (2.5% NaCl) Green ( 0.5% Sugar) Blue (10.0% NaCl) Clear (Distilled Water) 1. Place Paperclips as Indicated. 2. Attach Lamp Unit. 3. Insert paperclips into indicated solutions. 4. Attach Power Supply. 1

26 Fuses 1. Place Paperclips as Indicated. 2. Attach Lamp Unit. 3. Obtain a strand of steel wool and place it as indicated. 4. Attach Power Supply.

27 Resistors in Parallel 1. Place Paperclips as Indicated. 2. Attach Lamp Unit. 3. Insert resistors 1, 2 and 3 as indicated. 4. Attach Power Supply. 1

28 Resistors In Series 1. Place Paperclips as Indicated. 2. Attach Lamp Unit. 3. Insert resistors 1, 2 and 3 as indicated. 4. Attach Power Supply. 0

29 We Had A Great Time

30 Simple Circuit Board - Expense Sheet ItemCost cost per Magnets (5000)352.00$0.70 Zip Loc Bags 2x $0.01 2x $0.04 4x $0.05 Paperclips64.00$0.13 Steel Wool #210.00$0.02 Christmas Tree Lights130.10$0.26 Resistors24.00$0.05 Diodes20.00$0.04 Printing Circuit Board Cards75.00$0.15 Heat Shrink Tubing38.50$0.08 Booklet$0.00 Power pack - battery holder $0.59 Power pack Connectiors $0.20 Multimeter (3.00 per)$3.00 Labor Total1,160.60Total /Card$5.32

31 The Combined Circuit

32 Completed Combined Circuit 3 1. Place Paperclips as Indicated. 2. Attach Lamp Units. 3. Attach Power Supply Series Circuit Parallel Circuit

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34 Combined Circuit - Obtaining Voltage Data 4 Master – 3b 1a – 1b Master – 3b 2a -2b Master – 3b 3a – 3b Master – 3b 1a – 3a Master – 3b

35 Combined Circuit – Voltage Data 4.9 1a – 3a ( 2+3 ) 2.4 3a – 3b 2(3) 2.4 2a – 2b 2(2) 4.9 1a – 1b 1(1) VoltagePlacement of Meter 5 Combined Series Parallel Circuit Note that in series circuit the voltage is additive ( = 4.8) and in parallel circuits it is constant. Therefore the circuit voltage would be Power Source Master – 1a Combined

36 Combined Circuit - Obtaining Amperage Data 3 1b – 3a Master – 1b

37 Combined Circuit – Amperage Data Master – 1b 3(1+2+3) 0.27 Bulb – 1b 1(1) 0.16 Bulb – 2a 1(2) 0.16 Bulb – 3a 1(3) AmperagePlacement of Meter Combined Parallel Series Circuit Remember in series circuits amperage is constant and in parallel circuits it is additive. Therefore if we add the amperage for the series circuit to the amperage for the parallel circuit we should get the amperage for the entire circuit. ( = 0.43) b – 3a 2(2+3) Series

38 Presented by: The MAPs Team Mike and Paul G et Wired using The S imple C ircuit B oard G et Wired using The S imple C ircuit B oard


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