Q. If each resistance in the figure is of $9\ \Omega$ then reading of ammeter is
A) $5\ A$
B) $8\ A$
C) $2\ A$
D) $9\ A$
Explanation
(a) Equivalent resistance $R = \frac{9}{9} = 1\Omega$
Current $i = \frac{9}{1} = 9A$
Current passing through the ammeter $= 5A$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.