Question

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

Answer: (b).50 Ω

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Q. 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

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