TF EIMLab1 Writeup - Revision history

Foretony: /* Internal resistance (30 pnts) */

2015-01-20T17:40:12Z

Internal resistance (30 pnts)

2015-01-16T01:15:16Z

Internal resistance (30 pnts)

2015-01-16T01:14:00Z

Internal resistance (30 pnts)

2015-01-16T01:13:14Z

Internal resistance (30 pnts)

2015-01-16T01:11:46Z

Internal resistance (30 pnts)

2015-01-16T01:09:27Z

Internal resistance (30 pnts)

2011-01-12T20:15:10Z

Enter the measured and predicted quantities in the table below

2011-01-05T02:44:16Z

Internal resistance (30 pnts)

2011-01-05T02:44:00Z

Internal resistance (30 pnts)

2011-01-05T02:40:37Z

Internal resistance (30 pnts)

← Older revision		Revision as of 17:40, 20 January 2015
Line 96:		Line 96:
	\|}		\|}

		+	<math>V_A - V_B = IR_{Load} = V_{bb} - I R_{int}</math>
		+
		+	<math>(V_A - V_B) = - R_{int} I + V_{bb}</math>
		+
		+	<math>y = mx+b \Rightarrow R_{int} =</math> slope of V-vs- I plot

	[[File:Lab1b_TF_EIM.png \| 200 px]]		[[File:Lab1b_TF_EIM.png \| 200 px]]

@@ Line 101: / Line 101: @@
 ;Since the current is in mA the resistance must be in kOhms in order to get volts.
-:<math>R_{int} = 1.33 \pmt 0.04 \Omega</math>
+:<math>R_{int} = 1.33 \pm 0.04 \Omega</math>
 Below I set R= 95 <math>\Omega</math>  and changed V

@@ Line 101: / Line 101: @@
 ;Since the current is in mA the resistance must be in kOhms in order to get volts.
-R_{int} = 0.1
+:<math>R_{int} = 1.33 \pmt 0.04 \Omega</math>
 Below I set R= 95 <math>\Omega</math>  and changed V

← Older revision		Revision as of 01:13, 16 January 2015
Line 98:		Line 98:

	[[File:Lab1b_TF_EIM.png \| 200 px]]		[[File:Lab1b_TF_EIM.png \| 200 px]]
		+
		+	;Since the current is in mA the resistance must be in kOhms in order to get volts.
		+
		+	R_{int} = 0.1

	Below I set R= 95 <math>\Omega</math> and changed V		Below I set R= 95 <math>\Omega</math> and changed V

← Older revision		Revision as of 01:11, 16 January 2015
Line 79:		Line 79:


−	[[File:TF_EIM_Lab1a_fig.png \| 200px]]	+	[[File:TF_EIM_Lab1a_fig.png \| 200px]][[File:TF_EIM_Lab1b_fig.png \| 350px]]

← Older revision		Revision as of 01:09, 16 January 2015
Line 96:		Line 96:
	\|}		\|}

		+
		+	[[File:Lab1b_TF_EIM.png \| 200 px]]

	Below I set R= 95 <math>\Omega</math> and changed V		Below I set R= 95 <math>\Omega</math> and changed V

@@ Line 65: / Line 65: @@
 |Variable ||Measured Value|| Predicted Value|| % Difference
 |-
-| <math>V_B</math> || 103.5 mV  || 156 || 50%
+| <math>V_B</math> || 103.5 +/- 50 mV  || 156 || 50%
 |-
 | <math>I_1</math> || 20.4 mA  ||22 || 7%

@@ Line 83: / Line 83: @@
 {| border="3"  cellpadding="20" cellspacing="0"
-| R (<math>\Omega</math>) || V (Volts)|| I (mA)
+| R_{Load} (<math>\Omega</math>) || V (Volts)|| I (mA)
 |-
 | 10|| 1.42 <math>\pm</math> 0.06 || 118 <math>\pm</math> 3