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GUJCET · Physics · Alternating Current
For an \(A C\) current \(I=50 \cos \left(100 t+45^{\circ}\right)\) A. The value of \(\mathbf{I}_{r m s}=\) ____________ A.
- A Zero
- B \(50 \sqrt{2}\)
- C 25
- D \(25 \sqrt{2}\)
Answer & Solution
Correct Answer
(D) \(25 \sqrt{2}\)
Step-by-step Solution
Detailed explanation
(D) \(25 \sqrt{2}\)
\(\quad \mathrm{I}=\frac{i_{m}}{\sqrt{2}}\)
\(\therefore \mathrm{I}=\frac{50}{\sqrt{2}}\)
\(\therefore \mathrm{I}=25 \sqrt{2} \mathrm{~A}\)
\(\quad \mathrm{I}=\frac{i_{m}}{\sqrt{2}}\)
\(\therefore \mathrm{I}=\frac{50}{\sqrt{2}}\)
\(\therefore \mathrm{I}=25 \sqrt{2} \mathrm{~A}\)
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