Question

-
find total resistance across AtoB​

Answer 1

Answer:

2 ohm

Explanation:

No current will flow through the middle wire , because there is balanced wheat stone bridge,

So we can remove that resistor,

There after , two pair of two resistors ( each of 2 ohm ) will be in parallel.

Final circuit will be of two 4 ohm resistors in parallel.

So , total resistance = 2 ohm

Answer 2

2 ohm

Explanation:

No current will flow through the middle wire , because there is balanced wheat stone bridge,

So we can remove that resistor,

There after , two pair of two resistors ( each of 2 ohm ) will be in parallel.

Final circuit will be of two 4 ohm resistors in parallel.

So , total resistance = 2 ohm