A Three-Cell Flashlight Has 3 Batteries in Series, Each with an Emf

question 31

Multiple Choice

A three-cell flashlight has 3 batteries in series, each with an emf of 1.5 V. If the bulb has a resistance of 50 Ω, what current flows when the flashlight is operating? (Assume the internal resistance of the batteries is negligible.)

• A) 30 mA
• B) 10 mA
• C) 27 mA
• D) 90 mA
• E) 11 A

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Definitions:

Milgram Experiment

A psychological experiment conducted by Stanley Milgram in the 1960s to study obedience to authority, where participants were instructed to administer electric shocks to another person.

Stanford University Prison Experiment

A psychological study conducted by Philip Zimbardo in 1971 at Stanford University, where students were assigned roles of prisoners and guards to explore the effects of perceived power.

Generalization

Drawing a conclusion about a certain characteristic of a population based on a sample from it.

Logical Support

The provision of reasons or evidence to justify a claim or argument.