Question

Pls solve this question

Answer 1

C)A-B

R1 + R2 +R3 = Rs

1+1+1=3 ohm....(1)

C-D

apply series formula

=3 ohm

now take parallel resistors

1/Rp = 1/R1 + 1/R2

= 1/1 +1/1

=2

now add all

3+3+2 = 8 ohm

hence, the equivalent resistance is 8 ohm