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Series Circuits - Technical MCQs

Q1:

How much current flows in the circuit in the given circuit?

A 20 mu.gifA

B 60 mu.gifA

C 80 mu.gifA

D 140 mu.gifA

ANS:A - 20 mu.gifA

Veff = 12-9 = 3V
RT = 150 K

I=Veff/RT

I = (3/150)x10^-3

I =(1/5)x10^-4

I = 20x10^-6 = 20uA