Question

Q. What do you mean by parallel combination of
resistance also right write the expression for
equivalent resistance if the three resistors are
in parallel combination?​

Answer 1

Answer:

Resistors are said to be connected in parallel combination when the current flowing through it is different but potential difference is same.

Expression:

I=I(1)+I(2)+I(3)‐‐(1)

I=V/R

Therefore, I(1)=V/R(1), I(2)=V/R(2) ,I(3)=V/R(3)

Therefore,I=V/Rp

V/Rp=V/R1+V/R2+V/R3

=V(1/R1+ 1/R2+1/R3)

1/Rp=1/R1+1/R2+1/R3

Explanation:

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