# Phys112exp2 - 1. Show that the power P developed across a...

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Physics Department Physics 112 Experiment2 Source internal resistance, loading problems and circuit impedance matching Student’s name: Student’s No.: Partner’s name: Partners No.: Section: Instructor: Date:

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Abstract: Theory:
Data: R L (kΩ) I(mA) I 2 (mA) 2 P (mW) I -1 (mA) -1 1) On a linear graph paper, using your data plot I -1 and R L . Find the value R in and ε. 2) On a semi-log graph paper, plot P(R L ). from the graph find the value of R L that satisfies the condition of maximum power transfer.

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Results and conclusion:
Preliminary Laboratory Questions
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Unformatted text preview: 1. Show that the power P developed across a resistance R is P=I 2 R, where I is the current flowing across the resistance. 2. Define the emf of a voltage source. 3. Define the internal resistance of a voltage source. 4. What is meant by;loaded source? 5. For the circuit you use in the experiment find an expression for the power developed across the load resistance. 6. If you vary the load resistance, when the power developed across the load resistance is maximum?...
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## This note was uploaded on 10/13/2010 for the course ACCOUNTING 25668652 taught by Professor Ommaya during the Spring '10 term at Abraham Baldwin Agricultural College.

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Phys112exp2 - 1. Show that the power P developed across a...

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