The relationship between peak value of current I0 and RMS current Irms is:

  1. Irms = I0
  2. Irms = √2I0

Answer (Detailed Solution Below)

Option 1 :
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Detailed Solution

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The correct answer is option 1) i.e. 

CONCEPT:

  • Peak value: The maximum value attained by the alternating current during a cycle is called its peak value. Considering alternating current as a sinusoidal wave, the peak value is its amplitude or crest value.

  • RMS value: RMS current is that value of steady current which when flowing through a given resistance for a given period of time, produces the same quantity of heat like that of an alternating current flowing through the same resistance and for same time period.
    • It is also known as the effective value of alternating current.

The RMS current Irms is related to the peak current I0 as:

 

EXPLANATION:

The correct answer is 

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