Home
Class 12
PHYSICS
A metallic wire PQ of length 1 cm moves ...

A metallic wire `PQ` of length `1 cm` moves with a velocity of `2 m//s` in a direction perpendicular to its length and perpendicular to a uniform magnetic field of magnitude `0.2 T`.Find the `emf` induced between the ends of the wire.Which end will be positively charged.

Text Solution

Verified by Experts

The correct Answer is:
4mV,Q
Promotional Banner

Similar Questions

Explore conceptually related problems

A conducting rod of unit length moves with a velocity of 5m/s in a direction perpendicular to its length and perpendicular to a uniform magnetic field of magnitude 0.4T . Find the emf induced between the ends of the stick.

A metallic metre sitck moves with a velocity of 2 ms ^(-1) in a direction perpendicular to its length and perpendicular to a uniform magnetic field of magnitude 0.2 T. Find the emf indcued between the ends of the stick.

A wire of length 10cm translates in a direction making an angle of 60^@ with its length. The plane of motion is perpendicular ot a uniform magnetic field of 1.0 T that exists in the space. Find the emf induced between the ends of the rod if the speed of translation of 20 cm s^(-1) .

A wire of length 10cm translates in a direction making an angle of 60^@ with its length. The plane of motion is perpendicular ot a uniform magnetic field of 1.0 T that exists in the space. Find the emf induced between the ends of the rod if the speed of translation of 20 cm s^(-1).

A metal rod of length 2 m is rotating with an angualr velocity of 100 "rads"^(-1) in plane perpendicular to a uniform magnetic field of 0.3 T. The potential difference between the ends of the rod is

A metallic metre stick translates in a direction making an angle of 60^(@) with its length.The plane of motion is perpendicular to a uniform magnetic field of 0.1 T that exists in the space.Find the emf induced between the ends of the rod if the speed of translation is 0.2 m//s .

A semicircular conducting wire of radius a is moving perpendicular to a uniform magnetic field B with speed √2 v as shown in the figure.The emf induced across the wire Is

A conducing rod of length l is falling with a velocity v perpendicular to a unifrorm horizontal magnetic field B . The potential difference between its two ends will be

A wire of length 50 cm moves with a velocity of 300 m/min, perpendicular to a magnetic field. If the emf induced in the wire is 2 V, then the magnitude of the field in tesla is

a semicircle wire of radius R is rotated with constant angular velocity about an axis passing through one end and perpendicular to the plane of wire. There is a uniform magnetic field of strength B . The induced emf between the ends is