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Q. Five resistors each of value m are connected between points A and F as shown in figure. If two similar wires are connected one between points B and D and another between points C and E. The effective resistance between points A and F will be

1. 7m
2. 5m
3. 3m
4. 6m
Please answer with explanation

Rashi Gupta , 6 Years ago
Grade 11
anser 1 Answers
Eshan

Last Activity: 6 Years ago

Dear student,

When resistors are connected as mentioned, BDEC would form a wheatstone bridge and so CD branch can be neglected. Then resistance of branch BDE and BCE, both becomes 2m. Hence resistance across B and E becomes m. Hence total resistance across A and F becomes 3m.

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