Analog Electronics - Engineering

Q1:

In figure Vi may vary from 15 to 20 V and load current may vary from 20 mA to 100 mA. Suitable maximum value of R is

A 20 Ω

B 50 Ω

C 100 Ω

D 200 Ω

ANS:B - 50 Ω

No answer description is available.