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Alternating Current and Voltage

Q1: When a sine wave has a frequency of 100 Hz in 12 s it goes through

A 1/100 cycle

B 12 cycles

C 120 cycles

D 1,200 cycles

ANS:D - 1,200 cycles

Frequency = Number of cycles / Unit time
No of cycles = Frequency * Unit time
Frequency =100Hz Time=12s
No of cycles = 100*12= 1200 cycles



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