Q. The turn ratio of a transformers is given as 2 : 3. If the current through the primary coil is $3\ A$, thus calculate the current through load resistance
A) $1\ A$
B) $4.5\ A$
C) $2\ A$
D) $1.5\ A$
Explanation
(c) $\frac{N_{s}}{N_{P}} = \frac{I_{P}}{I_{s}} \Rightarrow \frac{2}{3} = \frac{3}{I_{s}} \Rightarrow I_{s} = \frac{3 \times 3}{2} \Rightarrow I_{s} = 4.5$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.