GKFix MCQ Question

In Example 14.4, what is the dynamic resistance at ID = 15 mA calculated from?

• A. Change in voltage from 0.6 V to 0.7 V for 5 mA to 15 mA
• B. Change in voltage from 0.7 V to 0.8 V for 10 mA to 20 mA
• C. Change in voltage from 0.8 V to 0.9 V for 20 mA to 30 mA
• D. Change in voltage from 0.5 V to 0.6 V for 0 mA to 10 mA