একটি Transistor এ Input voltage 10v ও Collector current 2mA হলে Input impedance কত?

A 20kΩ

B 0.2kΩ

C 10kΩ

D 5kΩ

Solution

Correct Answer: Option D

Input impedance = 10/(2 × 10- 3)
= 5 × 1000
= 5kΩ

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