Question:
For the circuit shown below, calculate the value of $\mathrm{I}_{\mathrm{z}}$ :
Correct Option: 1
Solution:
$I=\frac{50}{1000}=50 \mathrm{~mA}$
$I=\frac{50}{2000}=25 \mathrm{~mA}$
$\mathrm{I}_{\mathrm{Z}}=\mathrm{I}_{1000}-\mathrm{I}_{2000}$
$=50-25=25 \mathrm{~mA}$