an alternating current has a frequency of 50hz.How many times does it change its direction in one second
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Frequency : 50 hz
Time period: 1/frequency =0.02 seconds
In 0.02 second the current changes its direction twice
In one second the current will change it direction=2/0.02 = 100 times
Time period: 1/frequency =0.02 seconds
In 0.02 second the current changes its direction twice
In one second the current will change it direction=2/0.02 = 100 times
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