Charge passing through a conductor of cross-section area A=0.3 m² is given

Charge Passing Through A Conductor Of Crosssection Area A03 M Physics Question

Charge passing through a conductor of cross-section area A=0.3 m² is given by q=3t²+5t+2 in coulomb, where t is in second. What is the value of drift velocity at t= 2 s?(Given, n=2×10²⁵/m³)

Options

(a) 0.77×10⁻⁵m/s
(b) 1.77×10⁻⁵m/s
(c) 2.08×10⁵m/s
(d) 0.57×10⁵ m/s

Correct Answer:

1.77×10⁻⁵m/s

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

  1. In a parallel plate capacitor with plate area A and charge Q, the force on one plate
  2. Two lenses of power 15 D and -3 D are placed in contact.
  3. The root mean square speed of oxygen molecule (O₂) at a certain temperature is v.
  4. If a body is rolling on the surface, its total energy will be
  5. A hemispherical bowl of radius R is rotating about its axis of symmetry

Topics: Current Electricity (136)
Subject: Physics (2479)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

1 Comment on Charge passing through a conductor of cross-section area A=0.3 m² is given

  1. I = dq/dt = 6t+5 = 6×2+5= 17A. Therefore Drift Vel.= I/nAe = 17/2×10^25×0.3×1.6×10^(-19) = 1.77×10^(-5)m/s

Leave a Reply

Your email address will not be published.


*