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Series Circuits - Technical MCQs

Q1:

The total circuit power in the given circuit equals _____.

A 64 µW

B 4 µW

C 0 W

D 16 × 10–12 W

ANS:A - 64 µW

R(eq) = (1.2+1.8+1)M
= 4M

I = V/R(eq)
= 16/4
= 4microAmp
P= I^2*R(eq)
= (4*10^(-6))^2*(4*10^6)
= 64microW