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If the instantaneous current in a circuit is given by i = 2 cos (ωt + φ) A, the rms value of the current is

  • a)
    √2 A

  • b)
    2√2 A

  • c)
    2 A

  • d)
    0 A

Correct answer is option 'A'. Can you explain this answer?
Verified Answer
If the instantaneous current in a circuit is given by i = 2 cos (&omeg...
i=2cost

=Im​cost

So, Im​=2amp

IRMS​=Im​​/√​2​

=2/√​2​

=√​2​amp
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Most Upvoted Answer
If the instantaneous current in a circuit is given by i = 2 cos (&omeg...
Here,
from the given equation ..i•=2.
we know,
irms=i•/√2..
irms=2/√2.
irms=√2...
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Community Answer
If the instantaneous current in a circuit is given by i = 2 cos (&omeg...
T), where i is in amperes and t is in seconds, what is the maximum current in the circuit?
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If the instantaneous current in a circuit is given by i = 2 cos (ωt + φ) A, the rms value of the current isa)√2 Ab)2√2 Ac)2 Ad)0 ACorrect answer is option 'A'. Can you explain this answer?
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