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QJEEM20Phd60c: JEE Main 2020 Physics - Class 12 JEEM20Phd60c Solution: When a diode is forward biased, it has a voltage drop of 0.5 V. …

When a diode is forward biased, it has a voltage drop of 0.5 V. The safe limit of current through the diode is 10 mA. If a battery of emf 1.5 V is used in the circuit, the value of minimum resistance to be connected in series with the diode so that the current does not exceed the safe limit is

Multiple Choice Options

  • A 50 Ω\Omega
  • B 200 Ω\Omega
  • C 300 Ω\Omega
  • D 100 Ω\Omega

Step-by-Step Verified Solution

JEE Main 2020 (Online) 3rd September Morning Slot Physics - Semiconductor Question 137 English Explanation

1.5 – 0.5 – R ×\times 10–2 = 0

⇒\Rightarrow R = 100 Ω\Omega

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