Science, asked by karismawed20, 9 months ago

ES
8. For 3 resistances 5 ohm, 2 ohm and
3 ohm , Equivalent resistance is R=
O
30/31 ohm
31/30 ohm
O
1/3 ohm

Answers

Answered by NJD38

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For series combination, ER is 10 ohm.

For parallel combination, ER = Reciprocal of 1/5 + 1/2 + 1/3 = Reciprocal of (6 + 15 + 10)/30 = 30/31 ohm.

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Answered by Nereida

Answer:

Now, the equivalent resistance for all the three resistors can be either maximum or minimum.

It will be maximum when the connected in series connection and it will be minimum when will be connected in parallel connection.

Equivalent resistance in a series connection -

Rs = R1 + R2 + R3

Rs = 5 + 2 + 3

Rs = 10 ohm

Equivalent resistance in a parallel connection -

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

1/Rp = 1/5 + 1/3 + 1/2

1/Rp = (6 + 10 + 15)/30

1/Rp = (16 + 15)/30

1/Rp = 31/30

Rp = 30/31

Rp = 0.9677 ohm

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