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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hello meta...ur answer is..✌️✌️
c. 19 Hz n 170 V
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c. 19 Hz n 170 V
hope it helps u❤️❤️
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The frequency and r.m.s. voltage are 19.09 Hz and 170 V respectively.
Explanation:
Given that,
A generator produces a voltage that is given by :
The general equation of voltage is given by :
On comparing above two equations,
The rms voltage is given by :
or
Angular frequency is given by :
f = 19.09 Hz
So, the frequency and r.m.s. voltage are 19.09 Hz and 170 V respectively.
Learn more :
Topic : Alternating voltage
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