Science, asked by singhg2836, 8 months ago

22-IF THREE RESISTORS 2,4,8 OHM ARE COMBINED IN PARALLEL COMBINATION THEN FIND THEIR NET


REDISTANCE.

Answers

Answered by nidhirandhawa7
0

Answer:

it is 1/2 + 1/4 + 1/8

Explanation:

answer 7/8

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Answered by Anonymous
6

Explanation:

For parallel combination of resistance,

we know that ,

 \frac{1}{ R}  =  \frac{1}{ R1}  +  \frac{1}{R2 }  +  \frac{1}{R3} ..............

Given ,

R1 = 2 ohm

R2 = 4 ohm

R3 = 8 ohm

According to the question ,

\frac{1}{ Rnet}  =  \frac{1}{2}  +  \frac{1}{4}  +  \frac{1}{8} \\  \\ \frac{1}{ Rnet} =  \frac{4 + 2 + 1}{8}  \\  \\ \frac{1}{ Rnet} =  \frac{7}{8}  \\  \\ Rnet =  \frac{8}{7}

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