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 common base mode of a transistor, the collector current is 5.488 mA
  2. For a diatomic gas charge in internal energy for unit charge in temperature for
  3. Colours appear on a thin soap film and soap bubbles due to the phenomenon of
  4. A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
  5. If the ratio of amplitude of two superposed waves is 2:1, then the ratio of maximum

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Your email address will not be published.


*