Physics - Current Electricity Question with Solution | TestHub
PhysicsCurrent ElectricityElectrical instrumentEasy2 minPYQ_2020
PhysicsEasysingle choice
Which of the following will NOT be observed when a multimeter (operating in resistance measuring mode) probes connected across a component, are just reversed?
Options:
Answer:
B
Solution:
Multimeter shows NO deflection in both cases i.e. before and after reversing the probes if the chosen component is capacitor. Multimeter shows deflection when it connects with capacitor If we assume that LED has negligiable resistance then multimeter shows no deflection for the forward bias but when it connects in reverse direction, it break down occurs so splash of light out. The resistance of metal wire may be taken zero, so no deflection in multimeter No matter, how we connect the resistance across multimeter It shows same deflection.
Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument
⏱ 2mℹ️ Source: PYQ_2020
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