Asked by yzr
the effective resistacce of two resistors connected in series is 100 ohm.when it connected in parallel it is 24 ohm.determine the values of two resistors
Answers
Answered by
Elena
R+r=100
1/R +1/r =1/24 => (R+r)/Rr=1/24
100/Rr =1/24
rR=2400
Since r=100-R
R(100-R)=2400
R²-100R+2400=0
R=40 Ω => r=60 Ω
R=60 Ω => r=40Ω
1/R +1/r =1/24 => (R+r)/Rr=1/24
100/Rr =1/24
rR=2400
Since r=100-R
R(100-R)=2400
R²-100R+2400=0
R=40 Ω => r=60 Ω
R=60 Ω => r=40Ω
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