A Long Solenoid Has a Radius of 4

question 8

Multiple Choice

A long solenoid has a radius of 4.0 cm and has 800 turns/m. If the current in the solenoid is increasing at the rate of 3.0 A/s, what is the magnitude of the induced electric field at a point 2.2 cm from the axis of the solenoid?

• A) 3.3 × 10−⁵ V/m
• B) 3.6 × 10−⁵ V/m
• C) 3.9 × 10−⁵ V/m
• D) 4.2 × 10−⁵ V/m
• E) 6.0 × 10−⁵ V/m

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Definitions:

Behaviorist

A psychologist who studies and applies principles of behaviorism, a theory that focuses on observable behaviors and discards theories involving the mind.

Cognitive Neuroscientist

A scientist who studies the biological processes and aspects that underlie cognition, with a particular focus on the neural connections in the brain which are involved in mental processes.

Introspection

The process of self-observation concerning one's psychological and emotional patterns.

Freudian Psychologists

Professionals who apply Sigmund Freud's theories of psychoanalysis to understand human behavior and mental processes.