Question

if R1 =R2 = 4 ohms and R3 =R4=8 ohms,find the net resistance between A and B​

Answer 1

Answer:

6

Explanation:

Here R1 and R3 are in series so effective resistance is (R1+R3).

Here R2 and R4 are in series so effective resistance is (R4+R2).

(R1+R3) and (R2+R4) are in parallel

so (R1+R3)(R2+R4)/(R1+R2+R3+R4)

>(4+8)(4+8)/(4+4+8+8)

>144/24

>6.

Answer 2

Answer:

R1 and R3 is in series

R2 and R4 are also in series

so they generally added

it gives the upper attachment

so these two resistance is in parallel

the net resistance is

1/12 +1/12 =1/6

1/Req. =1/6

Req. =6

ok

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