Parallel Circuits

Q1:
What does P₂ equal in the given circuit?

A 45 mW

B 405 mW

C 450 mW

D 900 mW

ANS:B - 405 mW

POWER=VOLTAGE*CURRENT
V1=V2=V3;
P2=V3*I2;
P2=45*10^-3*9
=0.405
=405mW

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