Question

find the effective resistance of 20 ohm and 15 ohm when connected in parallel connection​

Answer 1

Answer:

Reciprocal of equivalent resistance of parallel connection = sum of reciprocal of individual resistance.

1/R(p)  = 1/20  + 1/30

⇒ 1/R(p) =  (3+2)/60

⇒ R(p) = 60/5

⇒ R(p) = 12 ohm

           

   

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Explanation:

Answer 2

Reciprocal of equivalent resistance of parallel connection=sum of reciprocal of individual resistance.

1(R/P)=1/20+1/30.

~~1/R(P)=(3+2)/60.

=R(P)=60/5.

=R(P)=12 ohm.

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