A) 10 mA
B) 6.67 mA
C) 5 mA
D) 3.33 m A
E) zero
Correct Answer: D
Solution :
Given circuit \[{{V}_{{{r}_{2}}}}=10\text{ }V,\] \[{{I}_{{{r}_{2}}}}=6.67\text{ }mA\] \[{{I}_{{{r}_{1}}}}=\frac{5}{500}=10\,mA\] \[\therefore \] \[{{I}_{z}}=10-6.67\] \[=3.37mA\]
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