Two Parallel Horizontal Plates Are Spaced 0

question 64

Multiple Choice

Two parallel horizontal plates are spaced 0.60 cm apart in air.You introduce an oil droplet of mass 7.4 × 10^-17 kg between the plates.If the droplet carries five electronic charges and if there were no air buoyancy,you could hold the droplet motionless between the plates if you kept the potential difference between them at

• A)5.4 V
• B)27 V
• C)3.0 V
• D)0.54 V
• E)0.27 kV

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Definitions:

Defense Mechanism

A psychological strategy unconsciously used to protect oneself from anxiety arising from unacceptable thoughts or feelings.

Projection

A psychological defense mechanism where individuals attribute their own unwanted feelings or desires to others.

Defense Mechanism

Mental techniques employed by people to deal with reality and preserve their sense of self.

Rationalization

Denotes a defense mechanism in which controversial behaviors or feelings are justified and explained in a seemingly rational or logical manner to avoid the true explanation.