1) The resistance of germanium junction diode whose V-I is shown in figure is(Vk=0.3V) A) 5kΩ B) 0.2kΩ C) 2.3kΩ D) (102.3)kΩ Answer: Option BExplanation:Resistance , R=△V△I=2.3−0.310×10−3 R=210×103=0.2×103Ω=0.2kΩ