Physics, asked by srishtisingh99215, 7 months ago

..............,............​

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Answered by surya5636222
0

Answer:

1/r = 1/1+1/1+1/1+1/2

1/r = 2/2+2/2+2/2+1/2

1/r = 7/2

1/r = 3.5

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