Q. Find the equivalent resistance across $AB$
A) $1\ \Omega$
B) $2\ \Omega$
C) $3\ \Omega$
D) $4\ \Omega$
Explanation
(a) $R_{AB} = \frac{2 \times 2}{2 + 2} = 1\Omega$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.