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An alternatinf voltage is represented by ?? = 141.4 sin 377 t find (i) max-value (ii) frequency (iii) time period
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v=141.4 sin 377 t **(i) Maximum Value** Comparing with the equation v=Vm sin 2πft Vm=141.4 V **(ii) Frequency** **2πf=377 f=3772π=60 Hz** **(iii) Time Period** **T=1f=160=16.67 ms**

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