Series Circuits - Technical MCQs

Q1:

In the given circuit, R1 equals _____.

A 100 komega.gif

B 200 komega.gif

C 300 komega.gif

D More information is needed to find R1.

ANS:C - 300 komega.gif

Where is V of R3? I = 4.5V/(R2+R3); R2 = 200 Kohm.