How Many Turns Should a 10-Cm Long Ideal Solenoid Have

question 140

Multiple Choice

How many turns should a 10-cm long ideal solenoid have if it is to generate a 1.5-mT magnetic field when 1.0 A of current runs through it? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A)12
• B)15
• C)120
• D)1200
• E)3200

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Definitions:

Mycelium

The mass of branched, thread-like filaments that make up the vegetative part of a fungus, allowing for nutrient absorption.

Hyphae

Long, branching filamentous structures of fungi, through which they absorb nutrients from their environment.

Zygomycota

A phylum of fungi characterized by their production of zygospores during sexual reproduction.

Puffballs

Type of fungi that belong to the division Basidiomycota, known for their round shape and the way they release spores through a pore or opening.