A Copper Ring Can Be Made to Levitate About the Extended

question 106

Multiple Choice

A copper ring can be made to levitate about the extended bar of an electromagnet because the magnetic field induced in the ring

• A)remains strong and steady.
• B)opposes the field producing it.
• C)is attracted to the top end of the bar.
• D)none of the above

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Definitions:

Thrombus

A blood clot that forms in a vein or artery which can obstruct the flow of blood through the circulatory system.

Pressure Ulcer

Localized injury to the skin and/or underlying tissue, usually over a bony prominence, as a result of pressure or pressure in combination with shear and/or friction.

Paraplegic

Paraplegic refers to a person who has lost the ability to move or feel both legs and sometimes parts of the lower body, often due to spinal cord injury or disease.

Axillary Crutch

A type of mobility aid that helps support the body's weight while walking, fitting under the armpit and held by the hand.