If the Current in the 4 $\Omega$ Resistor Is 1

question 28

Multiple Choice

If the current in the 4.0- $\Omega$ resistor is 1.4 A,what is the magnitude of the potential difference,V_A - V_B?

• A)69 V
• B)55 V
• C)62 V
• D)48 V
• E)31 V

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Definitions:

Lens

A transparent structure in the eye that focuses light that enters the eye onto the retina, enabling visual perception.

Dark Adaptation

The recovery of the eye’s sensitivity to visual stimuli in darkness after exposure to bright lights.

Fovea

A small depression in the retina of the eye where visual acuity is highest, due to the concentration of cones, specialized for daylight vision, fine detail, and color.

Cones

Photoreceptor cells in the retina of the eye that function best in relatively bright light and enable the perception of color.