Question

Two resistance when connected in parallel gives resultant value of 2 ohms and when connected in series the value becomes 9 ohm calculate the value of each resistance.

Answer 1

in parallel ...

Total rp = 2

so ..

1/ Rp = 1 / r1 + 1/ r2

1/ 2 = 1 / r + 1 / r

1/2 = 2/ r

r = 4 ohm ...

in series ..

Rs =9

rs = r1 + r2

9 = 2r

9 / 2 = r

4.5 ohm = r

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Answer 2

Two resistance when connected in parallel give resultant value of 2 ohm
Two resistances when connected in parallel given resultant value of 2 ohm . When connected in series the value becomes 9 ohm. Calculate the value of resistance. If R1 = 3 ohm, R2 = 6 ohm and vice versa.





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