1.

In the figure below, the voltage V1 ranges from 15 to 35V. The load current is 20mA. The diode knee current is 2 mA, the breakdown voltage is 5V and power rating is 200 mW.Calculate the range of R2 for the circuit to behave properly as a regulator.

A. 400Ω =< R2 =< 500Ω
B. 450Ω =< R2 =< 500Ω
C. 454Ω =< R2 =< 500Ω
D. 454Ω =< R2 =< 600Ω
Answer» D. 454Ω =< R2 =< 600Ω


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