Solve the problem.
-The voltage E in an electrical circuit is given by E = 5.7 cos 110πt, where t is time measured in seconds. Find the amplitude.
A)11.4
B)5.7
C)110π
D)110

Name: Solve the problem. -The voltage E in an electrical circuit is given by E = 5.7 cos 110πt, where t is time measured in seconds. Find the amplitude. A)11.4 B)5.7 C)110π D)110
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Question

Quizplus · Accepted Answer

The amplitude of a cosine function, such as E = 5.7 cos 110πt, is the coefficient in front of the cosine term, which in this case is 5.7.

Solve the Problem. -The Voltage E in an Electrical Circuit Is Given by Is