| ⇦ | 
| ⇨ |
The drift velocity of the electrons in a copper wire of length 2 m under the application of a potential difference of 200 V is 0.5 ms⁻¹. Their mobility is (in m² V⁻¹ s⁻¹)
Options
(a) 2.5×10⁻³
(b) 2.5×10⁻²
(c) 5×10²
(d) 5×10⁻³
Correct Answer:
5×10⁻³
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Which of the following pairs is wrong
- A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
- If a wire is stretched to four times its length, then the specific resistance
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
- When alpha particles captures and electron, then it becomes a
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following pairs is wrong
- A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
- If a wire is stretched to four times its length, then the specific resistance
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
- When alpha particles captures and electron, then it becomes a
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
Good
i want expLanation
d = 2cm
v=200v
vd= 0.5m/s
mobility= vd/E
E=(vd)(d)/V
= 0.5/200(2) = 0.5/100 = (5)(10)-3 m2v-1s-1