| ⇦ | 
| ⇨ |
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: - A charged particle of mass m and charge q moves along a circular path of radius
- A luminous object is seperated from a screen by distance d. A convex lens
- The maximum and minimum magnitudes of the resultant of two vectors
- A gramophone record is revolving with an angular velocity ?. A coin is placed at
- A spherical liquid drop of radius R is divided into 8 equal droplets. If the surface
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A charged particle of mass m and charge q moves along a circular path of radius
- A luminous object is seperated from a screen by distance d. A convex lens
- The maximum and minimum magnitudes of the resultant of two vectors
- A gramophone record is revolving with an angular velocity ?. A coin is placed at
- A spherical liquid drop of radius R is divided into 8 equal droplets. If the surface
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.
Share this page with your friends
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