calculate the equivalent resistance when two resistance of 8ohms and 12ohms are connected in parallel
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Given :
Two resistor are connected in parallel
- R₁ = 8Ω
- R₂ = 12Ω
To find :
The equivalent resistance.
Solution :
The reciprocal of the combined resistance of a number of resistance connected in parallel is equal to the sum of the reciprocal of all the individual resistances. .i.e.,
thus, the equivalent resistance of 8Ω and 12Ω is 4.8Ω
Remember !
SI unit of resistance is ohms (Ω)
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- The reciprocal of the combined resistance of a number of resistance connected in parallel is equal to the sum of the reciprocal of all the individual resistances. .i.e.,
⇝ 1/R = 1/RR + 2/R1
⇝ 1/R = 1/8 + 1/12
⇝ 1/R= 3+2/24
⇝ 1/R = 5/24
⇝R= 24/5
⇝R= 4.8Ømega Ans.
Thus, the equivalent resistance of 8Ω and 12Ω is 4.8Ω
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