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Parallel Circuits - Technical MCQs

Q1:

The total current in the given circuit is ___.

A 2.5 mA

B 0.6 mA

C 1.5 mA

D 0.4 mA

ANS:A - 2.5 mA

In the above 12v is same for each branch of parallel circuit

I(total)=I1+I2+I3
So I1=12/20=0.6 mA

I2=12/8=1.5mA

I3=12/30=0.4mA

Total current I(total)=0.6+1.5+0.4=2.5 mA.