| ⇦ | 
| ⇨ |
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: - what is the electric potential at a distance of 9cm from 3nC?
- If the highest modulating frequency of the wave is 5 kHz, the number
- For a diatomic gas charge in internal energy for unit charge in temperature for
- Two identical cells of the same e.m.f. and same internal resistance
- Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- what is the electric potential at a distance of 9cm from 3nC?
- If the highest modulating frequency of the wave is 5 kHz, the number
- For a diatomic gas charge in internal energy for unit charge in temperature for
- Two identical cells of the same e.m.f. and same internal resistance
- Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series
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