Given a Frequency of 60 Hz (Cycles Per Second),the Period

question 23

Multiple Choice

Given a frequency of 60 Hz (cycles per second) ,the period of the signal is

• A)0.166667 sec.
• B)0.166667 Hz.
• C)one second.
• D)60 seconds.
• E)1 Hz.

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Definitions:

Differentiation

The process by which cells or tissues undergo a change toward a more specific form or function, often in the context of development.

Bone Marrow

A soft tissue inside bones where blood cells are produced, including red blood cells, white blood cells, and platelets.

Stem Cells

Undifferentiated cells capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cells arise by differentiation.

Negative-Feedback

A process in which increases in output lead to future decreases in the same output, stabilizing systems against fluctuations.