A Metal Blade Spins at a Constant Rate of 5

question 49

Multiple Choice

A metal blade spins at a constant rate of 5.0 revolutions per second about a pivot through one end of the blade. This rotation occurs in a region where the component of the earth's magnetic field perpendicular to the blade is 30 μT. If the blade is 60 cm in length, what is the magnitude of the potential difference between its ends?

• A) 0.24 mV
• B) 0.20 mV
• C) 0.17 mV
• D) 0.27 mV
• E) 0.34 mV

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Definitions:

Milgram Experiments

A series of social psychology experiments conducted by Stanley Milgram, which measured the willingness of study participants to obey an authority figure who instructed them to perform acts conflicting with their personal conscience.

"Learners"

Individuals engaged in the process of gaining knowledge, understanding, or skill through study, experience, or teaching.

Cognitive Dissonance

The mental distress felt when possessing multiple contradictory beliefs, values, or attitudes.

Milgram Obedience Studies

A series of experiments that demonstrated a high level of obedience to authority figures, leading participants to perform acts conflicting with their personal conscience.