Lab 1 RS - Revision history

Shaproma: /* Smokey Circuits */

2011-01-23T06:49:18Z

Smokey Circuits

2011-01-21T06:54:43Z

Internal resistance (30 pnts)

2011-01-21T06:51:53Z

Internal resistance (30 pnts)

2011-01-21T06:51:26Z

Enter the measured and predicted quantities in the table below

2011-01-21T06:51:00Z

Enter the measured and predicted quantities in the table below

2011-01-21T06:50:22Z

Internal resistance (30 pnts)

2011-01-21T06:49:37Z

Enter the measured and predicted quantities in the table below

2011-01-21T06:49:18Z

Enter the values of the DC voltage and Resisters that you used.

2011-01-21T06:49:06Z

Enter the values of the DC voltage and Resisters that you used.

2011-01-21T06:48:53Z

Enter the values of the DC voltage and Resisters that you used.

@@ Line 14: / Line 14: @@
 Determine the maximum voltage of the DC power supply you will use. (ie, 30 Volts)
-;<math> P =I^2R = V^2/R \Rightarrow R = \frac{V^2}{P} > \frac{\left (30 V \right)^2}{1/4 \mbox{Watt}} > 3600 \Omega</math>
+;<math> P =I^2R = V^2/R \Rightarrow R = \frac{V^2}{P} > \frac{\left (30 V \right)^2}{1/4\ \mbox{Watt}} > 3600 \Omega</math>
 :By keeping your resistance values above 3600 <math>\Omega</math> you should be able to avoid burning up 1/4 Watt resistors when your max voltage is 30 Volts.

@@ Line 95: / Line 95: @@
 |<math>(0.47\pm 0.005)</math>|| <math>(0.960\pm 0.0005)</math>|| <math>(1210\pm 50)</math>
 |}
 [[File:RS lab1 pic4.png | 600px]]
 =Questions (20 pnts)=

@@ Line 73: / Line 73: @@
 |-
 | <math>I_3</math> || <math>(0.144\pm 0.005)</math> mA|| <math>(0.144\pm 0.005)</math> mA|| 0.00 %
-|}
+|}<br>
 = Internal resistance (30 pnts)=

@@ Line 74: / Line 74: @@
 | <math>I_3</math> || <math>(0.144\pm 0.005)</math> mA|| <math>(0.144\pm 0.005)</math> mA|| 0.00 %
 |}
 = Internal resistance (30 pnts)=

@@ Line 82: / Line 82: @@
-{| border="3"  cellpadding="20" cellspacing="0"
+{| border="1"  cellpadding="10" cellspacing="0"
 | <math>R_{Load}</math> (<math>\Omega</math>) || V (Volts)|| I (mA)
 |-

@@ Line 63: / Line 63: @@
 c.) compare your predictions and measurements  by filling in the table below.
-{| border="3"  cellpadding="20" cellspacing="0"
+{| border="1"  cellpadding="10" cellspacing="0"
 |Variable ||Measured Value|| Predicted Value|| % Difference
 |-

@@ Line 38: / Line 38: @@
 Use a voltmeter to measure the potential difference and resistances.
-{| border="3"  cellpadding="10" cellspacing="0"
+{| border="1"  cellpadding="10" cellspacing="0"
 |Variable ||Measured Value
 |-