A) 3
B) 1/3
C) 8/9
D) 2
Correct Answer: B
Solution :
\[\frac{{{i}_{1}}}{{{i}_{2}}}=\frac{{{R}_{2}}}{{{R}_{1}}}=\frac{{{l}_{2}}}{{{l}_{1}}}\times {{\left( \frac{{{r}_{1}}}{{{r}_{2}}} \right)}^{2}}=\frac{3}{4}{{\left( \frac{2}{3} \right)}^{2}}=\frac{1}{3}\]You need to login to perform this action.
You will be redirected in
3 sec