Question

Three 2ohm resistances are connected so as to make a
triangle. The resistance between any two vertices is​

Answer 1

Answer:

Explanation:Two Resistance will be in series and the resultant this will be in parallel with third one

R=2+2=4Ω

R

f

​

1

​

=

4

1

​

+

2

1

​

R

f

​

=

3

4

​

Ω option d

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Answer 2

Answer:

(d) 4/3 ohm

Explanation:

Refer to the attachment!

Resistance between any two vertices(say b/w A and B) is:

Resistance Rac and Rbc are in Series connection. Thus,

Req. = Rac + Rbc = 2 + 2 = 4ohm.

Now, resistance Req and Rab are in parallel connection. Thus,

1/Req' = 1/Req + 1/Rab

1/Req' = 1/4 + 1/2

1/Req' = 3/4

• => Req' = 4/3 ohm.