Write the Word or Phrase That Best Completes Each Statement $$I = 30 \sin ( 50 \pi t )$$

question 176

Essay

Write the word or phrase that best completes each statement or answers the question.
-The current I, in amperes, flowing through an ac (alternating current) circuit at time t, in seconds, is $$I = 30 \sin ( 50 \pi t )$$ What is the amplitude? What is the period?
Graph this function over two periods beginning at t = 0.

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Definitions:

Eardrum

A thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves, also known as the tympanic membrane.

External Ear

The outer portion of the ear, consisting of the pinna and the ear canal, which helps direct sound waves into the ear.

Middle Ear

The part of the ear located between the eardrum and the inner ear that contains three bones which amplify sound.

Hz

Hertz, the unit of frequency in the International System of Units (SI), denoting one cycle per second.