A) 3.43
B) 3.5
C) 3.4
D) 3.34
Correct Answer: A
Solution :
In series, \[R={{R}_{1}}+{{R}_{2}}\] \[\Rightarrow \] \[\frac{2l}{{{K}_{eff}}A}=\frac{l}{{{K}_{1}}A}+\frac{l}{{{K}_{2}}A}\] \[{{K}_{eff}}=\frac{24}{7}=3.43\]You need to login to perform this action.
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