| ⇦ | 
| ⇨ |
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: - Identify the wrong statement
- An observer moving away from a stationary source. The observed frequency is half
- The ratio of the numerical value of the average velocity and average speed
- In an orbital motion, the angular momentum vector is
- A projectile is fired at an angle of 45° with the horizontal
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Identify the wrong statement
- An observer moving away from a stationary source. The observed frequency is half
- The ratio of the numerical value of the average velocity and average speed
- In an orbital motion, the angular momentum vector is
- A projectile is fired at an angle of 45° with the horizontal
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