A generator produces a voltage that is given by \[V=240\sin 120\,t\], – McqOptions

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1.	A generator produces a voltage that is given by \[V=240\sin 120\,t\], where t is in seconds. The frequency and r.m.s. voltage are [MP PET 1993; MP PMT 1990]
A.	60 Hz and 240 V
B.	19 Hz and 120 V
C.	19 Hz and 170 V
D.	754 Hz and 70 V
Answer» D. 754 Hz and 70 V

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