Q. ​What the current through an ideal p-n junction diode shown in figure below :
  1. zero
  2. 10 mA
  3. 20 mA
  4. 50 mA

Dear Student,
                          Here potential difference across Diode and resister =-1-(-3)=2V (because positive terimanal of both the batteries are connected to ground means same point.)now doide is in forward biased so current =2100=20mA
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