The diode used in the circuit shown in the figure has a constant voltage drop of 0.5 V at all currents and a maximum power rating of 100 milliwatts.What should be the value of the resistor R, connected in series with the diode for obtaining maximum current? 1017973 A 1.5 Ω B 5 Ω C 6.67 Ω D 200 Ω

 Question:  From NCERT  | AIIMS 2018   || [Difficult level:Medium] Subtopic:P-N junction diode || 

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The diode used in the circuit shown in the figure has a constant voltage drop of 0.5 V at all currents and a maximum power rating of 100 milliwatts.What should be the value of the resistor R, connected in series with the diode for obtaining maximum current?

A

1.5 Ω

B

5 Ω

C

6.67 Ω

D

200 Ω

Medium

Answer: [B] 5 Ω.

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