Examlex

Solved

The Current in an Alternating Circuit Varies in Intensity with Time

question 116

Multiple Choice

The current in an alternating circuit varies in intensity with time. If I represents the intensity of the current and t represents time, then the relationship between I and t is given by I = 20cos 160 πt where I is measured in amperes and t is measured in seconds. Find the maximum value of I and the time it takes for I to go through one complete cycle. ​


Definitions:

Scientists

Professionals who conduct research and experiments to discover new knowledge and develop technologies.

Homology

Refers to the existence of shared ancestry between a pair of structures, or genes, in different taxa.

Forelimbs

The front limbs of an organism, which in humans are the arms, including the hands, wrists, forearms, and elbows.

Mammals

The class of vertebrates characterized by hair, mammary glands, a diaphragm, and differentiation of teeth.

Related Questions