| ⇦ |
| ⇨ |
A metal rod of length l cuts across a uniform magnetic field B with a velocity v. If the resistance of the circuit of which the rod forms a part is r, then the force required to move the rod is
Options
(a) B²l²v/r
(b) Blv/r
(c) B²lv/r
(d) B²l²v²/r
Correct Answer:
B²l²v/r
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A light emitting diode(LED) has a voltage drop of 2 volt across it
- A wheel is rotating at 900 rpm about its axis.When the power is cut-off it
- The displacement of particle is given by x=aₒ+(a₁t/2)-(a₂t²/3) what is acceleration?
- In electromagnetic wave, according to Maxwell, changing electric field gives
- A uniform wire of resistance 9Ω is joined end-to-end to form a circle. Then
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A light emitting diode(LED) has a voltage drop of 2 volt across it
- A wheel is rotating at 900 rpm about its axis.When the power is cut-off it
- The displacement of particle is given by x=aₒ+(a₁t/2)-(a₂t²/3) what is acceleration?
- In electromagnetic wave, according to Maxwell, changing electric field gives
- A uniform wire of resistance 9Ω is joined end-to-end to form a circle. Then
Topics: Magnetic Effects of Current and Magnetism (167)
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

Leave a Reply