जेव्हा अनेक रोध _______ मध्ये जोडलेले असतात, तेव्हा त्यांचा एकत्रित प्रतिरोध सर्वात लहान वैयक्तिक प्रतिरोधापेक्षा कमी असतो.

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RRB ALP CBT I 31 Aug 2018 Shift 2 Official Paper
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  1. क्षैतिज
  2. खोका
  3. एकसर जोडणी
  4. समांतर जोडणी

Answer (Detailed Solution Below)

Option 4 : समांतर जोडणी
Free
General Science for All Railway Exams Mock Test
20 Qs. 20 Marks 15 Mins

Detailed Solution

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योग्य उत्तर समांतर आहे.

Key Points

संकल्पना:

एकसर जोडणीची बेरीज  = R1 + R2 + R3.

समांतर जोडणीची बेरीज .

गणना:

4 प्रतिरोध समांतर जोडणीत जोडलेले आहेत.

R1 = 2 , R= 4  , R= 5  ,R= 20 .

R1||R2 यासाठी

 = 

R2||R3 यासाठी

 = 4 ,

Req1 ||Req2

 = 1 .

म्हणून, 

जे परिपथाच्या सर्वात लहान प्रतिरोधापेक्षा  ने कमी आहे

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