At What Distance from the Central Axis of a Long

question 19

Multiple Choice

At what distance from the central axis of a long straight thin wire carrying a current of 5.0 A is the magnitude of the magnetic field due to the wire equal to the strength of the Earth's magnetic field of about 5.0 × 10^-5 T? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A) 1.0 cm
• B) 2.0 cm
• C) 3.0 cm
• D) 4.0 cm
• E) 5.0 cm

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Definitions:

Lagging Strand

In DNA replication, the strand that is synthesized discontinuously in short segments opposite the direction of replication fork movement.

Avery

Avery refers to Oswald Avery, a scientist known for demonstrating that DNA is the substance that causes bacterial transformation.

Hershey and Chase

Scientists who conducted experiments in 1952 proving that DNA, not protein, is the genetic material in bacteriophages.

Polynucleotide Strand

A sequence of nucleotides that forms part of a nucleic acid molecule.