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Grade: 7

                        

An AC current with 50hz following sine law has arms value of 50 A. Write down the equation for instantaneous value calculate the instantaneous current 0.0025 s passing through positive maximum value.

An AC current with 50hz following sine law has arms value of 50 A. Write down the equation for instantaneous value calculate the instantaneous current 0.0025 s passing through positive maximum value.
 

one year ago

Answers : (2)

Vikas TU
14136 Points
							
Dear student 
The equation od AC current will be 
I = I0 Sin(wt+Q)
Here I0 = 50 A 
f = 50 Hz 
w = 100*pie
I = 50 Sin(100*pie t + Q ) 
This will be the equation of current.
Good Luck 
Cheers 
one year ago
Arun
25768 Points
							
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
one year ago
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