TS EAMCET · Physics · Alternating Current
A resistance of is connected to an alternating current source of . If the frequency of the A.C. source is , then the time taken by the current to change from its maximum value to the R.M.S. value is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Recall the formula of current in terms of angular frequency, i=i0sinωt, here the maximum value is, i0=iRMS×2, here, the value of ω is the same as, 2πf, and f=50 Hz, given in the question,…
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