An Emf of 10 V Is Applied to a Coil $\varOmega$

question 66

Multiple Choice

An emf of 10 V is applied to a coil with an inductance of 40 mH and a resistance of 0.50 $\varOmega$ .Determine the energy stored in the magnetic field when the current reaches one half of its maximum value.

• A)0.020 J
• B)0.20 J
• C)2.0 J
• D)20 J
• E)200 J

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Definitions:

Heptanoic Acid

A saturated fatty acid with the chemical formula C7H14O2, known for its odorous characteristic and usage in the synthesis of esters for fragrances.

Major Organic Product

The main product produced in the greatest quantity from an organic chemical reaction.

Reaction Sequence

An orderly series of chemical reactions where the product of one reaction becomes the reactant in the next.

Diethyl Malonate

An ester derived from malonic acid, used in synthetic organic chemistry for the synthesis of various compounds.