_______లో అనేక నిరోధకత అనుసంధానించబడినప్పుడు, వాటి మిశ్రమ నిరోధకత అతి చిన్న ఏక నిరోధకత కంటే తక్కువగా ఉంటుంది.

This question was previously asked in
RRB ALP CBT I 31 Aug 2018 Shift 2 Official Paper
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  1. అడ్డంగా
  2. పెట్టె
  3. సిరీస్
  4. సమాంతరంగా

Answer (Detailed Solution Below)

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

Detailed Solution

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సరైన సమాధానం సమాంతరంగా ఉంటుంది.

 Key Points

కాన్సెప్ట్:

శ్రేణిలో సంకలనం   = R1 + R2 + R3.

సమాంతరంలో సంకలనం   .

సాధన :

4 నిరోధకతలను సమాంతరంగా అనుసంధానం చేయనివ్వండి.

R 1 = 2 , R 2 = 4 , R 3 = 5 , R 4 = 20 .

R1||R2 కోసం

=

R2 ||Rకోసం 

= 4 ,

Req1 ||Req2

= 1 .

అందువల్ల

ఇది  విద్యుత్ వలయం యొక్క అతి చిన్న నిరోధకత కంటే తక్కువగా ఉంటుంది

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