An alternating electric current has a frequency of 50H_z. How many times does it change its direction in one second?

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Solution

Frequency = 50 Hz.
Time period = 1/ frequency = 0.02 s
In 0.02 seconds the current changes its direction twice.
In 1 second, the current will change its direction = 2/0.02 = 100 times.

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An alternating electric current has a frequency of 50Hz. How many times does it change its direction in one second?

Frequency = 50 Hz.Time period = 1/ frequency = 0.02 sIn 0.02 seconds the current changes its direction twice.In 1 second, the current will change its direction = 2/0.02 = 100 times.

An alternating electric current has a frequency of 50H_z. How many times does it change its direction in one second?

Frequency = 50 Hz.
Time period = 1/ frequency = 0.02 s
In 0.02 seconds the current changes its direction twice.
In 1 second, the current will change its direction = 2/0.02 = 100 times.