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What will be the resistance measured by an ohmmeter, if a p-n diode is reverse biased?(a) Zero(b) Low(c) High(d) InfiniteThis question was posed to me in an online interview.I'm obligated to ask this question of Semiconductor Electronics in portion Semiconductor Electronics : Materials, Devices and Simple Circuits of Physics – Class 12

Answer»

Right answer is (c) High

Easy explanation: When a p-n diode is reverse BIASED, it OFFERS high RESISTANCE. Forward biasing of p-n junction diode offers low resistance. In the case of an ideal p-n junction, resistance is ZERO. So, the OHMMETER can measure zero resistance.



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