In the Circuit Shown in the Figure, All the Lightbulbs

question 38

Multiple Choice

In the circuit shown in the figure, all the lightbulbs are identical. Which of the following is the correct ranking of the brightness of the bulbs?

• A) B and C have equal brightness, and A is the dimmest.
• B) A and B have equal brightness, and C is the dimmest.
• C) A is brightest, C is dimmest, and B is in between.
• D) A is the brightest, and B and C have equal brightness but less than A.
• E) All three bulbs have the same brightness.

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Definitions:

Flexing

The action of tensing or contracting muscles in the body to display muscular strength or for physical exercise.

Acromion Process

A bony process on the scapula (shoulder blade) that extends laterally over the shoulder joint.

Subacromial Bursa

A fluid-filled sac located under the acromion in the shoulder, providing cushion between tendons and overlying acromial bone to reduce friction.

Glenohumeral Joint

A ball-and-socket joint at the shoulder, allowing the arm a wide range of motion.