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The equivalent resistance between points...

The equivalent resistance between points A and B of the following electric circuit will be ………….. .

A

`4 Omega`

B

`8 Omega`

C

`2Omega`

D

`16Omega`

Text Solution

Verified by Experts

The correct Answer is:
A

The given electric circuit can be drawn as follows:

It is clear from the circuit that resistors `R_1 and R_2` are connected in series.
`:. R. = R_1 + R_2 = 4 +4 = 8 Omega`
Now, R. is connected with `R_3` in parallel combination.
`:. 1/R = 1/R. + 1/R_3`
`= 1/8 + 1/8`
`= 2/8 = 1/4`
`:. R =4 Omega`
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