A Solenoid Consists of 100 Circular Turns of Copper Wire

question 9

Multiple Choice

A solenoid consists of 100 circular turns of copper wire. Parts of three turns, A, B and C, are shown below. When a current flows through the coil,

• A) both A and C are repelled by B.
• B) A is attracted to B; C is repelled by B.
• C) neither A nor C is attracted to or repelled by B.
• D) A is repelled by B; C is attracted to B.
• E) both A and C are attracted to B.

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Definitions:

Myocytes

Muscle cells responsible for contraction and movement in the body.

Skeletal Muscles

Tissues in the body that are attached to bones and can be consciously controlled to produce movement.

Undercooked Meat

Meat that has not been cooked to the recommended internal temperature, posing a risk of foodborne illness due to bacteria or parasites.

Cytoplasm

The watery intracellular substance that consists mostly of water, proteins, ions, and nutrients.