A beam of electron is moving with consta...

A beam of electron is moving with constant velocity in a region having electric and magnetic fields of strength `20Vm^(-1)` and `0.5T` at right angles to the direction of motion of the electrons. What is the velocity of the electrons?

`8ms^(-1)`

`5.5ms^(-1)`

`20ms^(-1)`

`40ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

MOVING CHARGE AND MAGNESIUM
AAKASH INSTITUTE|Exercise SECTION D|16 Videos
MOVING CHARGE AND MAGNESIUM
AAKASH INSTITUTE|Exercise SECTION B|25 Videos
MOTION IN STRAIGHT LINE
AAKASH INSTITUTE|Exercise Assignment (SECTION - J)|2 Videos
MOVING CHARGES AND MAGNETISM
AAKASH INSTITUTE|Exercise Assignment Section J (Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

A beam of electrons is moving with constant velocity in a region having simultaneous perpendicular electric and magnetic fields of strength 20Vm^(-1) and 0.5 T, respectively at right angles to the direction of motion of the electrons. Then, the velocity of electrons must be

An electron moving with a kinetic energy of 1.5 xx 10^(3) eV enters in a region of uniform magnetic field of induction 4 xx 10^(-3) Wb//m^(2) at right angles to the direction of motion of the electron . The radius of circular path of the electron in the magnetic field is

If an electron is moving with velocity v produces a magnetic field vecB , then

State the direction of drift velocity of electron with respect to the appliled electric field.

An electron beam enters a magnetic field right angles to it as shown in the Figure. The direction of force acting on the electron beam will be :

An electron moving at the speed of 10^(7) m/s , enters a magnetic field of induction 0.1 T at right angle to the velocity of electron . The radius of circular path followed by the electron is

If an electron is going in the direction of magnetic field vecB with the velocity of vecv then the force on electron is

An electron beam is moving between two parallel plates having eletric field 1.125 xx 10^(-6) N//m . A magnetic field 3 xx 10^(-10) T is also applied so that beam of electrons do not deflect. The velocity of the electron is

In a certain region of space electric field E and magnetic field B are perpendicular ot each other and an electron enters region perpendicular to the direction of B and E both and moves undeflected, then velocity of electron is

AAKASH INSTITUTE-MOVING CHARGE AND MAGNESIUM-SECTION C

A beam of electrons passes underfected throgh unifromly perpendicula...
Text Solution
|
In mass spectrometer used for measuring the masses of ions, the ion...
Text Solution
|
When a charged particle moving with velocity vec(V) is subjected to a...
Text Solution
|
Two circular coils 1 and 2 are made from the same wire but the radiu...
Text Solution
|
A coil in the shape of an equilateral triangle of side l is suspended ...
Text Solution
|
A very long straight wire carries a current I. At the instant when a c...
Text Solution
|
An electron moves in a circular orbit with a uniform speed v.It produc...
Text Solution
|
A beam of electron is moving with constant velocity in a region having...
Text Solution
|
A 10eV electron is circulating in a plane at right angles to a uniform...
Text Solution
|
A positively charged particle moving due east enters a region of unifo...
Text Solution
|
An electron having mass 'm' and kinetic energy E enter in uniform magn...
Text Solution
|
A positive charge particle with charge q is moving with speed v in a r...
Text Solution
|
The angle field of given length of wire for single turn coil at its ce...
Text Solution
|
The magnetic field dvecB due to a small current element dvecl at a dis...
Text Solution
|
Two equal electric currents are flowing perpendicular to each other as...
Text Solution
|
To convert a galvanometer into a voltmeter, one should connect a
Text Solution
|
A galvanometer having a coil resistance of 60 Omega shows full scale...
Text Solution
|
A straight wire of diameter 0.5 mm carrying a current of 1 A is replac...
Text Solution
|
A closely wound solenoid of 2000 turns and area of cross-section 1.5xx...
Text Solution
|
In a ammeter 0.2% of main current passes through the galvanometer. If ...
Text Solution
|