A Circular Metal Loop of Radius 10 Cm and Three

question 122

Multiple Choice

A circular metal loop of radius 10 cm and three long straight wires carry currents of


And
As shown in the figure.Each of the straight wires is 20 cm from the center of the loop.The axes are shown in the figure,with the +z-axis coming out of the paper.What is the z component of the resultant magnetic field at the center of the loop? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A)-360 μT
• B)+360 μT
• C)-40 μT
• D)+40 μT
• E)-170 μT

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Definitions:

Bromine Water

An aqueous solution of bromine used as a reagent to test for the presence of unsaturation in organic compounds.

Aldaric Acid

A type of sugar acid resulting from the oxidation of both the aldehyde and primary alcohol groups of an aldose.

Optically Active

A property of compounds that have the ability to rotate plane-polarized light, indicating the presence of chiral molecules.

Nitric Acid

is a strong mineral acid with the formula HNO3, widely used in the manufacture of fertilizers and explosives, as well as in chemical synthesis.