Question

When some potential difference is maintained between and , current enters the network at and leaves at

151993
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This question has multiple correct options
A

the equivalent resistance between and is

B

and are at the same potential

C

no current flows between and

D

current flows from to

Medium

Solution

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Correct options are A) , B) and D)

From the figure,

As and are joined, they must be at the same potential, and may be treated as the same point. This gives the equivalent resistance as

If we distributed current in the network, using symmetry.

or

or

current flowing from to .

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