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ความสัมพันธ์ระหว่างกระแสไฟฟ้า(I) กับ ความต่างศักย์ไฟฟ้า(V);(Ohm's law)
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1. ปัญหา(problem)
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2. สมมุติฐาน(hypothesis)
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3. ตัวแปรต้น,ตัวแปรตาม,ตัวแปรควบคุม
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3. จุดประสงค์(Objective)
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4. อุปกรณ์(Instruments/Apparatus)
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5. วิธีทดลอง(Methods/Procedure)
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6. ผลการทดลอง(Results)
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6.1ตารางข้อมูล(Data_table)
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6.2กราฟความสัมพันธ์ระหว่างตัวแปรตาม(I(A);CUURENT) กับ ตัวแปรต้น(V(V);POTENTIAL DIFFERRENCE)
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7. วิเคราะห์ แปลความหมาย ข้อมูล ผลการทดลองจาก กราฟ
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8. สรุปผล
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Experiment16.1.1
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R(ohm)=BR,B,BR,GOLD=100OHM,5%
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100
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100
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no.
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V(V)
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I(A)-theory
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I(A)_experiment
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1.2
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1.5
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1.50E-02
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1.00E-02
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2.5
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2.8
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2.80E-02
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2.00E-02
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3.5
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4.0
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4.00E-02
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3.00E-02
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4.3
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6.0
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6.00E-02
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3.50E-02
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graph
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x-axis
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y1-axis
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y2-axis
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SLOPE
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=SLOPE(B111:B114,A111:A114)
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0.01
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0.00559607932528
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R(Ohm)=1/SLOPE
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=1/$C$116
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100.00
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178.696537678208
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DR(ohm)=Rexp-Rtheory
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78.70
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DR%=100%*(DR)/Rtheory
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78.70%
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Experiment16.1.2
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R(ohm)=O,B,BR,GOLD=300OHM,5%
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300
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300
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no.
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V(V)
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I(A)_Theory
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I(A)_EXPERIMENT
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1.25
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1.3
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4.33E-03
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4.00E-03
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2.5
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2.2
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7.50E-03
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6.00E-03
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4
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3.8
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1.25E-02
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1.00E-02
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5
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6.0
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2.00E-02
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1.50E-02
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Graph
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x-axis
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y1-axis
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y2-axis
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SLOPE
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=SLOPE(B111:B114,A111:A114)
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0.00
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0.00
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R(Ohm)=1/SLOPE
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=1/$C$138
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300.00
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422.21
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DR(ohm)=(Rexp.-Rtheory)
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122.21
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DR%=(DR/Rtheory)*100
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40.74%
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RSQ
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1.0000
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0.9984
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Experiment16.1.2
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R(ohm)=O,O,R,GOLD=3300Ohm,5%
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3300
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3300
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no.
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V(V)
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I(A)_theory=V/R
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I(A)_experiment
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1.3
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1.8
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5.30E-04
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4.00E-04
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2.5
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3.0
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9.09E-04
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8.00E-04
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4
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5.0
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1.52E-03
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1.20E-03
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5.5
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6.5
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1.97E-03
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1.60E-03
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graph
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x-axis
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y1-axis
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y2-axis
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SLOPE
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=SLOPE(B111:B114,A111:A114)
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3.03E-04
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2.44E-04
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R(Ohm)=1/SLOPE
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=1/$C$116
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3.30E+03
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4.09E+03
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(DEITA(R)/Ravg)*100%
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0.00%
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-23.98%
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Experiment16.1.4
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R(ohm)=BR,O,R,GOLD=10000Ohm,5%
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10000
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10000
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no.
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V(V)
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I(A)_theory=V/R
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I(A)_experiment
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1.3
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1.4
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1.40E-04
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1.00E-04
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2.5
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3.5
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3.50E-04
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2.50E-04
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4
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5.0
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5.00E-04
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4.00E-04
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5.5
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6.5
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6.50E-04
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6.00E-04
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graph
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x-axis
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y1-axis
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y2-axis
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SLOPE
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=SLOPE(B111:B114,A111:A114)
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1.00E-04
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9.70E-05
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R(Ohm)=1/SLOPE
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=1/$C$116
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1.00E+04
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1.03E+04
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(DEITA(R)/Ravg)*100%
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0.00%
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-3.04%
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