Q. What is the equivalent resistance of the circuit
A) $6\ \Omega$
B) $7\ \Omega$
C) $8\ \Omega$
D) $9\ \Omega$
Explanation
(c) The voltmeter is assumed to have infinite resistance. Hence $(1 + 2 + 1) + 4 = 8\Omega$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.