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RMS value of ac i = i1 cos wt + i2 sin wt will be
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'C'. Can you explain this answer?
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RMS value of ac i = i1 cos wt + i2 sin wt will bea)b)c)d)Correct answe...
I=(I1)cosωt+(I2)sinωt
(I2)mean=I12cos2ωt+I22sin2ωt+I1I2cosωtsinωt
I12×(1/2)×i22×(1/2)+2I1I2×0
Irms=√(i2)mean=√(I12+I22/2)=(1/√2)( I12+I22)1/2
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RMS value of ac i = i1 cos wt + i2 sin wt will bea)b)c)d)Correct answe...
I=(I1)cosωt+(I2)sinωt
(I2)mean=I12cos2ωt+I22sin2ωt+I1I2cosωtsinωt
I12×(1/2)×i22×(1/2)+2I1I2×0
Irms=√(i2)mean=√(I12+I22/2)=(1/√2)( I12+I22)1/2
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RMS value of ac i = i1 cos wt + i2 sin wt will bea)b)c)d)Correct answe...
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RMS value of ac i = i1 cos wt + i2 sin wt will bea)b)c)d)Correct answer is option 'C'. Can you explain this answer?
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