Q. In the given figure, when key $K$ is opened, the reading of the ammeter $A$ will be
A) $50\ A$
B) $2\ A$
C) $0.5\ A$
D) $\frac{10}{9}A$
Explanation
(b) The circuit will be as shown
$i = \frac{10}{5} = 2A$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.