Electric Field and Potential : the Potential as a Function

question 34

Multiple Choice

Electric field and potential : The potential as a function of position x is shown in the graph in the figure. Which statement about the electric field is true?

• A) The electric field is zero at x = 0, its magnitude is at a maximum at x = 5 cm, and the field is directed to the right there.
• B) The electric field is zero at x = 5 cm, its magnitude is at a maximum at x = 0, and the field is directed to the right there.
• C) The electric field is zero at x = 0, its magnitude is at a maximum at x = 15 cm, and the field is directed to the left there.
• D) The electric field is zero at x = 10 cm, its magnitude is at a maximum at x = 5 cm, and the field is directed to the left there.

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Definitions:

Samuel Cartwright

A 19th-century physician known for his work in the antebellum southern United States, controversially linked to descriptions of what he termed "diseases" of slaves.

Clifford Beers

An influential figure in the early mental health movement in the United States, known for his autobiography documenting his own mental illness and calling for reform.

Johann Weyer

A Renaissance physician who was among the first to argue against the persecution of witches, viewing them as individuals suffering from mental illness.

Psychopathology

The research into mental health conditions, exploring causes, symptoms, and interventions.