CBSE Class 10 Answered
plzzz help mock papr aftr 2 days
Asked by | 04 Feb, 2009, 04:08: PM
Expert Answer
it changes direction 100 times.
In one full cycle current flows in one direction and then the opposite direction. So a frequency of 50Hz refers to 50 cycles per second and hence current changes direction 100 times in one second.
Answered by | 05 Feb, 2009, 02:31: PM
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