MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Motional EMF

A glass rod o...

Question

A glass rod of length $ℓ$ moves with a velocity $v$ in a uniform magnetic field $B$ , what will be the emf induced in the rod:

A

B l v

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

\frac{B l}{v}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

B l

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

None of these

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D None of these
Glass is an Insulator so no EMF will be induced.

Suggest Corrections

thumbs-up

0

Similar questions

Q. A conducting rod of length L is falling with velocity V in a uniform horizontal magnetic field B normal to the rod. The induced emf between the ends the rod will be :

Q. A conducting rod of length

l

falls vertically under gravity in a region of uniform magnetic field

B

. The field vectors are inclined at an angle

θ

with the horizontal as shown in figure. If the instantaneous velocity of the rod is

v

, the induced emf in the rod

a b

Q. A rod PQ of length

ℓ

is rotating with angular velocity

ω

about its mid-point, in a uniform magnetic field B which is perpendicular to the plane of rotation of the rod. Find the induced emf between PQ. ?

Q. Four pieces each of length

l

of a conducting rod are joined as shown in the figure. The rod is placed in a downward magnetic field B. If the rod is moved towards right with a uniform velocity v, then the induced emf across the two ends of the rod is

Q. A vertical rod of length l is moved with constant velocity v towards east, if vertical component of earth's magnetic field is B and angle og dip is

θ

then induced emf in rod is:

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Motional EMF

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon