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CBSE Class 10 Answered

Find the equivalent resistance across wire A and B
Asked by ashicomputers | 07 May, 2020, 10:32: PM
Expert Answer
find equivalent resistance across the two ends a and b of this circuit : - 
 
R e s i s tan c e space R subscript 1 space a n d space R subscript 2 space a r e space i n space p a r a l l e l space T h u s comma space 1 over R subscript 12 space equals space 1 half plus 1 half space equals space 1 space capital omega space R e s i s tan c e space R subscript 3 space a n d space R subscript 4 space a r e space i n space p a r a l l e l space 1 over R subscript 34 space equals space 1 half plus 1 half space equals space 1 space capital omega space space S i m i l a r l y comma space R subscript 56 space equals space 1 capital omega space a n d space R subscript 78 space equals space space 1 space capital omega space space T h r o u g h space c i r c u i t space d i a g r a m comma space R subscript 12 space a n d space R subscript 34 space a r e space c o n n e c t e d space i n space s e r i e s comma space T h u s comma space 1 over R subscript 1234 space equals space R subscript 12 space plus R subscript 34 space space equals space 1 space plus space 1 space equals 2 space capital omega N o w comma space space R subscript 56 space space a n d space R subscript 78 space a r e space i n space s e r i e s space T h u s comma space 1 over R subscript 5678 space equals space 1 space plus space 1 equals space 2 space capital omega space N o w comma space R subscript 1234 space a n d space R subscript 5678 space a r e space i n space p a r a l l e l space c o m b i n a t i o n T h u s comma space 1 over R subscript e q end subscript space equals 1 over R subscript 1234 space space plus space 1 over R subscript 5678 space equals space 1 half space plus 1 half space equals 1 capital omega space E q u i v a l e n t space r e s i s tan c e space o f space c i r c u i t space space i s space 1 capital omega space space
Answered by Shiwani Sawant | 08 May, 2020, 12:29: AM

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