Two resistors connected in parallel have an equivalent resistance of 3.6 ohms. If one resistor is 6 ohms find the other.
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In parallel connection we have equivalent resistance (Req) as :
1/Req = 1/ R1 + 1/R2 + 1/R3 … (and so on)
But for 2 Resitance connected in parallel just remember
Req = R1*R2/(R1+R2)
Hence for 3ohm and 6ohm connected in parallel we get
Req = 3*6/(3+6) = 18/9 = 2 ohms
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