A Coil Has a Resistance of 60 $\Omega$ And an Impedance of 100

question 7

Multiple Choice

A coil has a resistance of 60 $\Omega$ and an impedance of 100 $\Omega$ . Its reactance, in ohms, is:

• A) 40
• B) 60
• C) 80
• D) 117
• E) 160

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Definitions:

Rhodopsin

A pigment found in the rods of the retina that is responsible for the first step in the perception of light.

Opsin

A type of protein in photoreceptor cells of the retina that is essential for vision by responding to light absorption.

Wavelength

A measure of the distance from the peak of a light wave to the peak of the next.

Truly Red

Truly Red refers to the perception or the depiction of a pure, deep red color without any mixture, often used in context with specificity in color identification.