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Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityElectrical instrumentMedium2 minPYQ_2019
PhysicsMediumsingle choice

To verify Ohm’s law, a student connects the voltmeter across the battery as shown in the figure. The measured voltage is plotted as a function of the current, and the following graph is obtained:

IfVois almost zero, identify the correct statement:

Question diagram: To verify Ohm’s law, a student connects the voltmeter across

Options:

Answer:
A
Solution:

V=E-Ir
whenV=V0=00=E-Ir
 E=Ir
whenI=0, V=E=1.5 V
 r=1.5 Ω.

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument
2mℹ️ Source: PYQ_2019

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