The Electric Field in a Cathode Ray Tube Is Supposed

question 42

Multiple Choice

The electric field in a cathode ray tube is supposed to accelerate electrons from 0 to 1.60 * 10⁷ m/s in a distance of 4.00 cm. What electric field is required? (m_e = 9.11 * 10 ^{- 31} kg and e = 1.60 *10 ^{- 19} C)

• A) 18,200 N/C
• B) 9110 N/C
• C) 36,400 N/C
• D) 72,800 N/C

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Expected Frequency

In statistics, the predicted count of occurrences across different categories or levels of a variable, based on probabilities.

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Expected Frequency

The anticipated count of occurrences in a category or group based on a probability model or distribution.