30 Ω রোধের একটি বৈদ্যুতিক বাতি এবং 6 Ω রোধের একটি পরিবাহী একটি 6 V ব্যাটারির সাথে শ্রেণী সমবায়ে সংযুক্ত থাকে। সার্কিটের মোট রোধ কত?

This question was previously asked in
RRB Group D 17 Sept 2022 Shift 3 Official Paper
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  1. 30 Ω
  2. 36 Ω
  3. 24 Ω
  4. 42 Ω

Answer (Detailed Solution Below)

Option 2 : 36 Ω
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Detailed Solution

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সঠিক উত্তর 36 Ω

Key Points

প্রদত্ত:

বৈদ্যুতিক বাতির রোধ 30 Ω এবং পরিবাহীর রোধ 6 Ω যা শ্রেণী সমবায়ে 6 V ব্যাটারির সাথে সংযুক্ত।

সূত্র:

শ্রেণী সমবায়ের রোধকের জন্য়:

 \(Rs=R1+R2+....+Rn\)

গণনা:

\(R1=30 Ω \)

\(R2=6 Ω \)

\(Rs=R1+R2=30+6=36​Ω\)

অতএব, সার্কিটের মোট রোধ 36 Ω

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