Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 28.2, Problem 1TH
Consider the experiment shown in the figure at right. An evacuated tube contains two electrodes, A and B. Monochromatic light of
When the voltage across the electrodes is zero volts, the ammeter reads zero current.
Would the ammeter read zero current or a non-zero current if you were to:
- Double the intensity of the light source? Explain.
- Increase the voltage across the electrodes from 0 V to
- Replace the nickel electrode with one made of aluminum
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