An Ideal Solenoid with 400 Turns Has a Radius of 0.040

question 87

Multiple Choice

An ideal solenoid with 400 turns has a radius of 0.040 m and is 40 cm long.If this solenoid carries a current of 12 A,what is the magnitude of the magnetic field at the center of the solenoid? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A)16 mT
• B)4.9 mT
• C)15 mT
• D)6.0 mT
• E)9.0 mT

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Definitions:

Life-span Developmental Psychology

The study of human growth, changes, and stability across the entire lifespan.

Psychometry

The psychological measurement of mental functions, abilities, and processes through standardized tests and assessments.

Superego

In psychoanalytic theory, it represents the moral component of the personality, internalizing the values and norms of society.

Locomotor-genital Stage

Not a recognized stage in standard psychological theories. It may be a confusion with stages from Freudian or Eriksonian theories.