The voltage of an ac supply varies with time (t) as V = $120 s i n 100 π t c o s 100 π t$ The maximum voltage and frequency respectively are

120 volts, 100 Hz

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volts , 100 Hz

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60 volts, 200 Hz

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60 volts, 100 Hz

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Solution

The correct option is D 60 volts, 100 Hz
$V = 120 s i n 100 π t c o s 100 π t \Rightarrow V = 60 s i n 200 π t$
$V_{m a x} = 60 V$ and Frequency=100Hz

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The voltage of an ac supply varies with time (t) as V = 120sin100π tcos100π t The maximum voltage and frequency respectively are

The correct option is D 60 volts, 100 HzV=120 sin 100 π t cos100π t⇒ V=60sin 200π t Vmax=60V and Frequency=100Hz

The voltage of an ac supply varies with time (t) as V = $120 s i n 100 π t c o s 100 π t$ The maximum voltage and frequency respectively are

The correct option is D 60 volts, 100 Hz
$V = 120 s i n 100 π t c o s 100 π t \Rightarrow V = 60 s i n 200 π t$
$V_{m a x} = 60 V$ and Frequency=100Hz