Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityElectrical instrumentEasy2 minPYQ_2020

PhysicsEasysingle choice

Which of the following operations will not increase the sensitivity of a potentiometer?

Answer:

Solution:

$V = I R = I \frac{ρ l}{A}$

$∴ \frac{V}{l} = k = \frac{Iρ}{A}$

Increase in $I$ , will increase $k$ , so it will decrease sensitivity.

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument

⏱ 2mℹ️ Source: PYQ_2020

Loading discussions...