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JEE Mains · Physics · STD 12 -7. Alternating current

एक प्रत्यावर्ती धारा को इस प्रकार दर्शाया गया है:
\(\mathrm{i}=5 \sqrt{2}+10 \cos \left(650 \pi \mathrm{t}+\frac{\pi}{6}\right) \mathrm{Amp}\)
धारा का वर्ग माध्य मूल (r.m.s) मान है:

  1. A 50 ऐम्पियर
  2. B 100 ऐम्पियर
  3. C 10 ऐम्पियर
  4. D \(5 \sqrt{2} \mathrm{Amp}\)
Verified Solution

Answer & Solution

Correct Answer

(C) 10 ऐम्पियर

Step-by-step Solution

Detailed explanation

\(i=5 \sqrt{2}+10 \cos \left(650 \pi t+\frac{\pi}{6}\right)\) \(\mathrm{i}^2=50+100 \cos ^2\left(650 \pi \mathrm{t}+\frac{\pi}{6}\right)\) \(+(2)(5 \sqrt{2})(10) \cos \left(650 \pi t+\frac{\pi}{6}\right)\) \(\left\langle\mathrm{i}^2\right\rangle=50+\frac{100}{2}+0\)…
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