Physics · Semiconductor 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 the minimum resistance to be connected in series with the diode so that the current does not exceed the safe limit is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1200 Ω
- 2100 Ω✓
- 350 Ω
- 4300 Ω
Correct answer
100 Ω
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