The radius of the path of an electron m...

The radius of the path of an electron moving at a speed of `3xx10^(7) ms^(-1)` perpendiuclar to a magnetic field `5xx10^(-4)` T is nearly

15 cm

45 cm

27 cm

34 cm

Text Solution

Verified by Experts

The correct Answer is:

When a charged particle moves inside a uniform magnetic field then the radius of the circular path is
`r=(mv)/(Bq)=(9.1xx10^(-31)xx3xx10^(7))/(5xx10^(-4)xx1.6xx10^(-19))=0.34 m =34 cm`

Topper's Solved these Questions

MAGNETIC EFFECT OF ELECTRIC CURRENT
MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET CORNER|20 Videos
MAGNETIC EFFECT OF ELECTRIC CURRENT
MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Exercise 1|36 Videos
KINETIC THEORY OF GASES ANDRADIATION
MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET Corner|40 Videos
MAGNETIC EFFECT OF ELECTRIC CURRENT -I
MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise EXERCISE 2 (MISCELLANEOUS PROBLEMS)|20 Videos

Similar Questions

Explore conceptually related problems

What is the radius of the path of an electron (mass 9xx10^(-31)kg and charge 1*6xx10^(-19)C ) moving at a speed of 3xx10^7ms^-1 in a magnetic field of 6xx10^-4T perpendicular to it? What is its frequency? Calcualte its energy in keV .

A stream of electrons moving with a speed of 3xx10^(7) ms^(-1) is deflected on passing through an electric field of 1800 Vm^(-1) , perpendicular to its path. If the radius iof the deflected beam is 3 m , calculate the value of e//m=1.76xx10^(11)C kg^(-1) .

An electron is moving in a cyclotron at a speed of 3.2 xx 10^(7) m s^(-1) in a magnetic field of 5 xx 10^(-4) T perpendicular to it. What is the frequency of this electron? (q=1.6xx10^(-19)C, m_(c)=9.1xx10^(-31)kg)

A mono energetic electron beam with a speed of 5.2xx10^(6) ms^(-1) enters into a magnetic filed of induction 3xx10^(-4) T , directed normal to the beam . Find the radius of the circul traced by the beam (Take e//m=1.76xx10^(11) Ckg)

An electron beam moving with a speed of 2.5xx10^(7) ms^(-1) enters into the magnetic field 4xx10^(-3) Wb//m^(2) directed perpendicular to its direction of motion. Find the intensity of the electron moves undeflected .

(a) A monoenergetic electron beam with electron speed of 5.20xx10^(6)ms^(-1) is subjected to a magnetic field of 1.30xx10^(-4)T , normal to the beam velocity. What is the radius of the circle traced by the beam, given e//m for electron equal 1.76xx10^(11)C.kg^(-1) . (b) Is the formula you employ in (a) valid for calculating radius of the path of 20 MeV electrons beam? If not, in what way is it modified!

What is the radius of the path of an electron (mass 9 xx 10^(-31) kg and charge 1.6 xx 10^(-19)C) moving at a speed of 3 xx 10^(7)m//s in a magnetic field of 6 xx 10^(-4)T perpendicular to it? What is its frequency? Calculate its energy in keV.(1eV = 1.6 xx 10^(-19)J) .

An alpha - particle with a specific charge of 2.5xx10^7 Ckg^(-1) moves with a speed of 2xx10^5 ms ^(-1) in a perpendicular magnetic field of 0.05 T. Then , the radius of the circular path described by it is

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MAGNETIC EFFECT OF ELECTRIC CURRENT-Exercise 2

The magnetic field on the axis of a long solenoid having n turns p...
Text Solution
|
A neutorn a proton an electron and an alpha particle enter a region ...
Text Solution
|
The radius of the path of an electron moving at a speed of 3xx10^(7)...
Text Solution
|
An electron having charge 1.6xx10^(-19)C and mass 9xx10^(-31) kg is mo...
Text Solution
|
A long solenoid with 10 turn / cm and a radius of 7.0 cm carries a c...
Text Solution
|
Two thin long parallel wires seperated by a distance 'b' are carrying...
Text Solution
|
If a current is passed through a spring then the spring will
Text Solution
|
An uniform beam of positively charged particles is moving with...
Text Solution
|
A long horizontally fiexed wire carries a current of 100 A directel...
Text Solution
|
A proton and a deuteron both having the same kinetic energy enter perp...
Text Solution
|
A n electrically charged particle enters into a uniform magnetic in...
Text Solution
|
A magnetic field 4xx10^(-3) kT exerts a force (4 hat I + 3 hat j) xx...
Text Solution
|
Currents of 10A, 2A are passed through two parallel wires A and B resp...
Text Solution
|
An electron having charge 1.6xx10^(-19)C and mass 9xx10^(-31) kg is mo...
Text Solution
|
An electron and a proton are moving on straight parallel paths with sa...
Text Solution
|
The maximum velocity to which a proton can be accelerated in a cycl...
Text Solution
|
An electron is accelerated by a potential difference of 12000 volts. I...
Text Solution
|
A current I ampere flows along an infinitely long straight thin walled...
Text Solution
|
The current in the windings on a toroid is 2.0A. There are 400 turns a...
Text Solution
|
A rectangular loop carrying a current i is situated near a long strai...
Text Solution
|