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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 | |