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Parallel Circuits - Technical MCQs

Q1:

The total resistance in the given circuit is _____.

A greater than 8 komega.gif

B 58 komega.gif

C 4.8 komega.gif

D greater than 30 komega.gif

ANS:C - 4.8 komega.gif

Total resistance (Rt)=
1/R1+1/R2+1/R3
now,
1/20k+1/8k+1/30k
0.005k+0125k+0.033k
0.208k
total resistances(1/Rt)=1/0.208k
ans=4.8k
correct ans (c)