JEE Main 2020 · 3 September · evening · Single correct · +4 / −1

Which of the following will NOT be observed when a multimeter (operating in resistance measuring mode) probes connected across a component, are just reversed?

  1. (a) Multimeter shows NO deflection in both cases i.e. before and after reversing the probes if the chosen component is metal wire.
  2. (b) Multimeter shows a deflection, accompanied by a splash of light out of connected component in one direction and NO deflection on reversing the probes if the chosen component is LED.
  3. (c) Multimeter shows an equal deflection in both cases i.e. before and after reversing the probes if the chosen component is resistor.
  4. (d) Multimeter shows NO deflection in both cases i.e. before and after reversing the probes if the chosen component is capacitor.
Answer and solution

Answer (d) Multimeter shows NO deflection in both cases i.e. before and after reversing…

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Asked about 60 times in JEE Main since 2020. This question is from 2020.