Home
Class 12
PHYSICS
An electron (mass =9.1xx10^(-31)kg." Cha...

An electron (mass `=9.1xx10^(-31)kg." Charge "=-1.6xx10^(-19)C`) experience no deflection if if sujected to an electric field of `3.2xx10^(5)Vm^(-1)` and a magnetic field of `2.0xx10^(-3)" Wb m"^(-2)`. Both the field are normal to the parth of electron and to each other. If the electric field is removed, then the electron will revolve in an orbit radius

A

45 m

B

4.5 m

C

0.45 m

D

0.045 m

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

An electron (mass =9.1xx10^(-31)kg , charge =1.6xx10^(-19)C ) experiences no deflection if subjected to an electric field of 3.2x10^(5)V/m , and a magnetic fields of 2.0xx10^(-3)Wb/m^(2) . Both the fields are normal to the path of electron and to each other. If the electric field is removed, then the electron will revolve in an orbit of radius

An electron (mass =9.1xx10^(-31)kg , charge =1.6xx10^(-19)C ) experiences no deflection if subjected to an electric field of 3.2x10^(5)V/m , and a magnetic fields of 2.0xx10^(-3)Wb/m^(2) . Both the fields are normal to the path of electron and to each other. If the electric field is removed, then the electron will revolve in an orbit of radius

An electron (mass =9.0xx10^(-31) kg and charge =1.6xx10^(-19) coulomb) is moving in a circular orbit in a magnetic field of 1.0xx10^(-4)"weber"//m^(2) . Its perido of revolution is

A charged particle having drift velocity of 7.5xx10^(-4)ms^(-1) in electric field of 3xx10^(-10)Vm^(-1) mobility is

An electron beam passes through crossed electric and magnetic fields of 3.4xx10^(4) Vm^(-1) and 2xx10^(-3)Wbm^(-2) respectively. If the path of the beam remains undeviated, calculate the speed of the electrons . If the electric field is removed, what will be the radius of the circular path described by the electrons ?

An electron, moving with a velocity of 5xx10^(7)ms^(-1) , enters in a magnetic field of 1 "Wb" m^(-1) at an angle of 30^(@0) . Calculate the force on the electron.

An electron beam passes through a magnetic field of 2xx10^(-3) Wb//m^(2) and an electric field of 3.2xx10^(4) V//m , both acting simultaneously. (vecE_|_vecB_|_vecV) If the path of electrons remains undeflected calculate the speed of [mass of electron =9.1xx10^(-31)kg ]?

A particle of mass 2 xx 10^(-3) kg, charge 4 xx 10^(-3)C enters in an electric field of 5 V//m , then its kinetic energy after 10 s is

The force experienced by a charge of 2mu C in an electric field is 3 xx 10^(-3)N . The intensity of the electric field.

The bob of a pendulum of mass 8 mu g carries an electric charge of 39.2xx10^(-10) coulomb in an electric field of 20xx10^(3) volt/meter and it is at rest. The angle made by the pendulum with the vertical will be