প্রদত্ত চিত্রটিতে ভোল্টমিটার দ্বারা প্রদর্শিত মানটি কত?

 F1 U.B Deepak 20.03.2020 D 1

This question was previously asked in
ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 1
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  1. 1 A
  2. 4 V
  3. 4 A
  4. 1 V

Answer (Detailed Solution Below)

Option 4 : 1 V
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ধারণা:

ধরি, প্রদত্ত ভোল্টমিটারটি হল আদর্শ যাতে ভোল্টমিটারের রোধ অসীম হয়।

এখন প্রশ্নে প্রদত্ত বর্তনী রেখাচিত্রে ভোল্টেজ বিভাজনের নিয়ম প্রয়োগ করে।

F1 Shraddha Uday 24.12.2020 D2

\(V_1=\frac{R_1}{R_1+R_2}\times V\)

\(V_2=\frac{R_2}{R_1+R_2}\times V\)

V1 = R1 রোধক জুড়ে ভোল্টেজ

V2 = R2 রোধক জুড়ে ভোল্টেজ

V = মোট ভোল্টেজ

গণনা:

প্রদত্ত: V = 5 V

F1 Shraddha Uday 24.12.2020 D3

সুতরাং, 1kΩ জুড়ে ভোল্টেজ হল,

\(V_1=\frac{R_1}{R_1+R_2}\times V\)

\(V_2=~\frac{1}{1\; +\; 4}\times5=1~V\)

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