Concept explainers
In Europe, alternating
(a)
(b)
(c)
(d)
The correct option for the statement “In Europe, alternating electric current vibrates to and fro
Answer to Problem 3RAT
The correct option for the statement “In Europe, alternating electric current vibrates to and fro
Explanation of Solution
When something moves periodically back and forth, side to side, or up and down, it is said to be in vibration. When the vibration is carried through space and time, it is a wave. The wave is a pattern of matter or energy that extends from one place to another.
The frequency defines how frequent a vibration ocuurs. The priod is the time taken for one complete vibration. The frequency and period are the inverse of each other.
Write the expression for the frequency.
Substitute
Write the expression for the period.
Substitute
Conclusion:
Therefore, correct option for the statement “In Europe, alternating electric current vibrates to and fro
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