Solve the Problem $50 \pi$ C) $\frac { \pi } { 50 }$

question 7

Multiple Choice

Solve the problem.
-The voltage E in an electrical circuit is given by E = 1.3 cos 100πt, where t is time measured in seconds. Find the period.

• A) 50
• B) \(50 \pi\)
• C) \(\frac { \pi } { 50 }\)
• D) \(\frac { 1 } { 50 }\)

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Definitions:

Musical Instrument

A device designed to produce musical sounds by the manipulation of its various parts, often involving keyboard, string, percussion, wind, or electronic means.

Electric Guitar

A stringed musical instrument that uses electromagnetic pickups to convert the vibration of its steel-cored strings into electrical signals, which can then be amplified.

Guitar

A stringed musical instrument played by plucking or strumming the strings, either with the fingers or a pick.

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