arirodriguezc7405 arirodriguezc7405

22-02-2024
Physics

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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
(a) 60 Hz and 240 V
(b) 19 Hz and 120 V
(c) 19 Hz and 170 V
(d) 754 Hz and 70 V

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