Download App

Electromagnetic Induction — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsElectromagnetic Induction1 Mark
MCQ
A conducting rod of length $2 /$ is rotating with constant angular speed $\omega$ about its perpendicular bisector. A uniform magnetic field $\vec{B}$ exists parallel to the axis of rotation. The e.m.f. induced between two ends of the rod isImage
  • A
    $B \omega l$
  • B
    $\frac{1}{2} B \omega l^2$
  • C
    $\frac{1}{8} B \omega l^2$
  • ✓
    Zero
✓

Answer

Correct option: D.
Zero

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Electromagnetic Induction→Electromagnetic Induction — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

The driver of a car travelling with speed 30 metres per second towards a hill sounds a horn of frequency $600 \mathrm{~Hz}$. If the velocity of sound in air is 330 metres per second, the frequency of the reflected sound as heard by the driver is
→
A body of mass $5 \mathrm{~kg}$ is moving with a momentum of $10 \mathrm{~kg}-\mathrm{m} / \mathrm{s}$. A force of $0.2 \mathrm{~N}$ acts on it in the direction of motion of the body for 10 seconds. The increase in its kinetic energy is
→
In the above question, potential difference across the $40 \Omega$ resistance will be
→
Standing waves are produced in a $10 \mathrm{~m}$ long stretched string. If the string vibrates in $5$ segments and the wave velocity is $20 \mathrm{~m} / \mathrm{s}$, the frequency is
→
A simple pendulum is hanging from a peg inserted in a vertical wall. lts bob is stretched in horizontal position from the wall and is left free to move. The bob hits on the wall the coefficient of restitution is $\frac{2}{\sqrt{5}}$. After how many collisions the amplitude of vibration will become less than $60^{\circ}$
→
Work done on or by a gas, in general depends upon the
→
Light year is a unit of
→
A rectangular loop carrying a current $i$ is placed in a uniform magnetic field $B$. The area enclosed by the loop is $A$. If there are n turns in the loop, the torque acting on the loop is given by
→
The magnetic potential at a point on the axial line of a bar magnet of dipole moment $M$ is $V$. What is the magnetic potential due to a bar magnet of dipole moment $\frac{M}{4}$ at the same point
→
In order to double the frequency of the fundamental note emitted by a stretched string, the length is reduced to $\frac{3}{4}$ th of the original length and the tension is changed. The factor by which the tension is to be changed, is
→