Question

if the rms current in a 50 Hz ac circuit is 5 A ,the value of the current 1/300 seconds after its value become zero is

Answer 1

Answer:

Explanation:

Given If the rms current in a 50 Hz ac circuit is 5 A ,the value of the current 1/300 seconds after its value become zero is

f = 50 hz , I = 5 A, t = 1/300 secs

We know that

Io = peak value = √2 I

      = √2 x 5 A  

I = Io sin ω  t

= 5√2 sin 2 π νt x 1/300

= 5√2 sin 2 π x 50 x 1 / 300

= 5√2 sin 60  

= 5√2 x √3 / 2

I = 5√3 / √2 A

Answer 2

Answer:

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