An alternation voltage is given by V= 141.4 sin 314t find i. Frequency ii. R.M.S value iii. Average value iv. Instantaneous value of voltage When t is 3 m sec

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written 8.7 years ago by

teamques10 ★ 69k

modified 3.2 years ago by

prakhar1144 ★ 5.0k

basic electrical engineering

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written 8.7 years ago by

teamques10 ★ 69k

• modified 8.7 years ago

Given:

$V= 141.4 \sin 314 t \\ \text{On complaining with,} \\ V= Vm \sin 2 πft \\ We get, 2πf= 314 \\ ∴ f= 314/2π = 50 Hz \\ Vm \text{(Peak value)} = 141.4 V \\ ∴ Vrms = Vm/\vee2 = 141.4V/\vee2 = 100V \\ Vavg = 0.63 Vm = …

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