Three Point Charges of -2

question 12

Multiple Choice

Three point charges of -2.00 μC, +4.00 μC, and +6.00 μC are placed along the x-axis as shown in the figure. What is the electrical potential at point P (relative to infinity) due to these charges? (k = 1/4πε0 = 8.99 × 10⁹ N ∙ m²/C²)

• A) -307 kV
• B) +307 kV
• C) -154 kV
• D) +154 kV
• E) 0 kV

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Definitions:

Heart Rate

The number of heartbeats per unit of time, typically expressed as beats per minute (BPM).

Korotkoff Sounds

The sounds that medical personnel listen for when they are taking blood pressure using a sphygmomanometer, which indicate the systolic and diastolic pressures.

Stethoscope

A medical instrument used by healthcare professionals to listen to internal body sounds, such as heart and lung sounds, for diagnostic purposes.

Blood Pressure Device

An instrument used to measure blood pressure, consisting typically of an inflatable cuff, a measuring unit, and sometimes a stethoscope.