Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityMicroscopicEasy2 minPYQ_2021
PhysicsEasysingle choice

Column - I gives certain physical terms associated with flow of current through a metallic conductor. Column - II gives some mathematical relations involving electrical quantities. Match Column - I and Column - II with appropriate relations.

Column - IColumn - II
(A) Drift VelocityPmne2ρ
(B) Electrical ResistivityQnevd
(C) Relaxation PeriodReEmτ
(D) Current DensitySEJ

 

NEET 2021

Options:

Answer:
A
Solution:

Drift velocity, V=eEmτ

Electrical resistivity, ρ=EJ

Relaxation period, τ=mne2ρ

Current Density, J=neVd

A-R, B-S, C-P, D-Q

Stream:NEETSubject:PhysicsTopic:Current ElectricitySubtopic:Microscopic
⏱ 2mℹ️ Source: PYQ_2021

Doubts & Discussion

Loading discussions...