A 40-Ω Resistor Is Connected with a 12-Ω Resistor and This

question 31

Multiple Choice

A 4.0-Ω resistor is connected with a 12-Ω resistor and this combination is connected across an ideal dc power supply with V = 6.0 V, as shown in the figure. When a total current I flows from the power supply, what is the current through the 12-Ω resistor?

• A) 1.5 A
• B) 2.0 A
• C) 2.5 A
• D) 3.0 A
• E) 0.50 A

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Definitions:

Pupil

The opening in the center of the iris of the eye, controlling the amount of light that enters the eye.

Photoreceptor Cells

Specialized neurons in the retina of the eye that convert light into electrical signals, enabling vision.

Rods And Cones

Specialized photoreceptor cells in the retina of the eye that detect light and color.

Retina

A membrane located at the rear of the eye, made up of cells responsive to light, which initiate nerve signals that are transmitted through the optic nerve to the brain, leading to the creation of a visual image.