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The time required for a 50 hertz sinusoidal alternating current to change its value from zero to The RMS value will be

The time required for a 50 hertz sinusoidal alternating current to change its value from zero to The RMS value will be

Grade:12

2 Answers

Arun
25758 Points
4 years ago
2.5 mili secondf = 50 Hz I = I base 0 Sin Wt Peak value I = I base 0/√2 I base 0/√2 = I base 0 Sin Wt ⇒ I base 0/√2 Sin Wt = Sin π/4 ⇒ π/4 = Wt. or, t = π/400 = π/4 * 2πf = 1/8f = 1/8 * 50 = 0.0025 s =
Arun
25758 Points
4 years ago
f = 50 Hz I = I base 0 Sin Wt Peak value I = I base 0/√2 I base 0/√2 = I base 0 Sin Wt ⇒ I base 0/√2 Sin Wt = Sin π/4 ⇒ π/4 = Wt. or, t = π/400 = π/4 * 2πf = 1/8f = 1/8 * 50 = 0.0025 s = 2.5 ms

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