The Voltage Between the Cathode and the Screen of a Computer

question 76

Multiple Choice

The voltage between the cathode and the screen of a computer monitor is 12 kV.If we assume a speed of zero for an electron as it leaves the cathode,what is its speed just before it hits the screen?

• A)8.8 × 10⁷ m/s
• B)6.5 × 10⁷ m/s
• C)4.2 × 10¹⁵ m/s
• D)7.7 × 10¹⁵ m/s
• E)5.3 × 10⁷ m/s

Comprehend the reasons behind the constitutional framers' decision to limit popular democracy.

Describe the challenges faced by Americans post-Revolutionary War and their solutions.

Examine the influence of republicanism on gender, economic, and social hierarchies in the United States.

Understand the basic concepts of Freudian psychoanalysis, including the id, ego, and superego.

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Definitions:

Psychotic Symptoms

Manifestations of severe mental disorders that involve a loss of contact with reality, such as hallucinations or delusions.

Hallucinations

Perceptions in a conscious and awake state in the absence of external stimuli which have qualities of real perception.

Delusions

Firmly held erroneous beliefs that are not amenable to change in light of conflicting evidence, often observed in psychiatric conditions.

Hyperactivity

An elevated level of activity that may be characterized by restlessness, an inability to stay focused, or excessive physical movements.