Mathematics, 13.11.2020 14:00 hilzepesqtatiana
50 POINTS HELP
Common household electric current is called alternating current because the current alternates direction within the wires. The
voltage V in a typical 115-volt outlet can be expressed by the function V(t) = 163 sin oot, where o is the angular speed (in radians
per second) of the rotating generator at the electrical plant and t is the time measured in seconds. It is essential for electric
generators to rotate at precisely 60 cycles per sec. Complete parts (a) and (b).
(a) How many times does the current oscillate in 0.15 sec?
time(s)
(b) What are the maximum and minimum voltages in this outlet? Is the voltage always equal to 115 volts?
The maximum voltage is V and the minimum voltage is v.
Is the voltage always equal to 115 volts?
No
Yes
Answers: 2
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50 POINTS HELP
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