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CBSE Class 12-science Answered

solve
Asked by amanpanday6384 | 22 Dec, 2022, 12:42: PM
Expert Answer
when baateries are connected in parallel , Then effective EMF Eeff is given as
 
begin mathsize 14px style E subscript e f f end subscript space equals space fraction numerator begin display style sum from blank to blank of E subscript i over r subscript i end style over denominator begin display style sum from blank to blank of 1 over r subscript i end style end fraction space equals space fraction numerator begin display style 18 over 2 end style plus begin display style 12 over 1 end style over denominator begin display style 1 half end style plus begin display style 1 over 1 end style end fraction equals space fraction numerator 21 over denominator begin display style bevelled 3 over 2 end style end fraction space equals space 14 space V end style
Hence voltmeter will show the reading 14 V
Answered by Thiyagarajan K | 22 Dec, 2022, 02:48: PM

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