Home
Class 12
PHYSICS
A charged particle of mass m & charge q ...

A charged particle of mass `m` & charge `q` enters a zone of uniform magnetic field `B` with a velocity `v` making an angle `theta` with the boundary of the zone, having width `d`, when the particle penetrates half-way into the zone, the change in energy of the particel is

A

`(mv^(2))/(2B)sintheta`

B

`(Bqd)/(mv^(2))sintheta`

C

zero

D

`(mvd)/(qB)sintheta`

Text Solution

Verified by Experts

As magnetic force is always perpendicular to velocity. No work is done by force.
Promotional Banner

Similar Questions

Explore conceptually related problems

A proton of mass m and charge q enters a magnetic field B with a velocity v at an angle theta with the direction of B .The radius of curvature of the resulting path is

A charged particle enters in a magnetic field B with its initial velocity making an angle of 45° with B. The path of the particle will be

When a charged particle enters a uniform magnetic field its kinetic energy

A charge particle of mass m and charge q enters in a region of uniform magnetic field as shown in figure.The magnitude of change in linear momentum due to magnetic field will be

The figure shows two regions of uniform magnetic field of strengths 2B and 2B. A charged particle of mass m and charge q enters the region of the magnetic field with a velocity upsilon = (q B w)/(m) , where w is the width of each region of the magnetic field. The time taken by the particle to come out of the region of the magnetic field is

A charge particle of mass m and charge q is released from rest in uniform electric field. Its graph between velocity (v) and distance travelled (x) will be :

A charge particle of mass m and charge q is released from rest in uniform electric field. Its graph between velocity (v) and distance travelled (x) will be :

A particle of spectfic charge alpha enters a uniform magnetic field B=-B_(0)hatk with velocity V=v_(0)hati from the origin Find the time dependence of velocity and position of the particle

A charged particle of mass m and charge q describes circular motion of radius r in a uniform magnetic field of strength B the frequency of revolution is

A particle of mass m and charge +q enters a region of magnetic field with a velocity v, as shown in Fig. 1.93. a. Find the angle subtended by the circular arc described by it in the magnetic field. b. How long does the particle stay inside the magnetic field? c. If the particle enters at E, what is the intercept EF?