Wire 1 Has a Semicircular Section of Radius R Followed

question 33

Multiple Choice

Wire 1 has a semicircular section of radius R followed by a straight section of length R as shown in the figure,and carries a current I₁.Wire 2,which is perpendicular to the page,carries a current I₂,where I₂ flows out of the page.If R is doubled,by what factor will the magnitude of the magnetic force on wire 1 due to the magnetic field created by wire 2 change?

• A)2
• B)1
• C)0.5
• D)4

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Definitions:

Fungal Filaments

The thread-like structures, or hyphae, that make up the mycelium of a fungus.

Mycelia

The vegetative part of a fungus, consisting of a mass of branching, thread-like hyphae, often found underground.

Hyphae

The long, branching filamentous structures of a fungus, which form the mycelium that is considered the vegetative part of the fungus.

Zygospore-Forming

Refers to a mode of sexual reproduction in some fungi where a zygospore, a thick-walled spore, is formed by the fusion of two haploid cells.