JEE Mains · Physics · STD 12 - 14. Semicondutor electronics
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\(.....\Omega\)
- A \(100\)
- B \(50\)
- C \(300\)
- D \(200\)
Answer & Solution
Correct Answer
(A) \(100\)
Step-by-step Solution
Detailed explanation
\(1.5-0.5- R \times 10 \times 10^{-3}=0\) \(\therefore R =100\, \Omega\)
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