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QPages 351-352: Q3: HC Verma: Concepts of Physics - Volume 2 Electric Current through Gases Pages 351-352: Q3 Solution: Let be the thermionic current from a metal surface when the…
Let be the thermionic current from a metal surface when the absolute temperature of the surface is . The temperature is slowly increased and the thermionic current is measured as a function of temperature. Which of the following plots may represent the variation in against ?
Multiple Choice Options
- A a
- B b
- C c
- D d
Step-by-Step Verified Solution
**Answer:** Plot a.
**Step-by-Step Explanation:**
Thermionic current increases exponentially with temperature.
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