Question

Find resistance between a and b​

Answer 1

Step-by-step explanation:

3Ω

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Answer 2

Answer:

Resistors of 3Ω and 2Ω are also in series.

∴ Their equivalent resistance, R

1

=3Ω+2Ω

Resistors of 6Ω and 4Ω are also in series.

∴ Their equivalent resistance, R

2

=6Ω+4Ω

Now, R

2

,30Ω and R

2

are in parallel.

Let R be the equivalent resistance.

Then =

R

1

=

R

1

1

+

30

1

+

R

2

1

=

5

1

+

30

1

+

10

1

=

30

6+1+3

=

30

10

orR=

10

30

=3Ω

Hence, the equivalent resistance between A and B is 3Ω.

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