In a certain region of space electric fi...

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

`vec E.vecB`

`abs(vecExxvec B)`

`abs(vecE)/abs(vecB)`

`abs(vecB)/abs(vecE)`

Text Solution

Verified by Experts

Topper's Solved these Questions

QUESTION PAPER 2022 TERM 1 SET 2
XII BOARDS PREVIOUS YEAR|Exercise SECTION C|6 Videos
QUESTION PAPER 2022 TERM 1 SET 2
XII BOARDS PREVIOUS YEAR|Exercise SECTION C|6 Videos
QUESTION PAPER 2022 TERM 1 SET 1
XII BOARDS PREVIOUS YEAR|Exercise SECTION-C|6 Videos
QUESTION PAPER 2023
XII BOARDS PREVIOUS YEAR|Exercise Question|43 Videos

Similar Questions

Explore conceptually related problems

Assertion: EM wave are transwers in nature. Reason: The electric and magnetic fields of an e.m. wave are perpendicular to each other also perpendicular to the direction of wave propagation.

An electric field (vec E) and a magnetic field (vec B)exist in a region . The fields are not perpendicular to each other.

A charge q moves region in a electric field E and the magnetic field B both exist, then the force on its is

A beam of proton passes undeflected with a horizontal velocity v, through a region of electric and magnetic fields, mutually perpendicular to each other and perpendicular to the direction of the beam. If the magnitudes of the electric and magnetic fields are 100kV//m , 50mT respectively, calculate the velocity of the beam v.

An electron enters a region where magnetic field (B) and electric field (E ) are mutually perpendicular, then

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 beam with equivalent electric current I enters a region of crossed electric field and magnetic field B. Both the fields are uniform. It is found that the electron beam goes undeviated through the region of fields. After passing the field region, electrons hit a grounded target. How much force is exerted by the electron beam on urget? Assumem is the mass of electron and e its charge.

XII BOARDS PREVIOUS YEAR-QUESTION PAPER 2022 TERM 1 SET 2-SECTION B

Two students A and B calculate the charge flowing through a circuit . ...
Text Solution
|
The resistance of two wires having same length and same area of cro...
Text Solution
|
In a certain region of space electric field E and magnetic field B are...
Text Solution
|
A test change of 1.6 xx 10^(-19) C is moving with velocity vec v = (...
Text Solution
|
In a series LCR circuit, at resonance the current is equal to :
Text Solution
|
The frequency of an ac source for which a 10 muF capacitor has a react...
Text Solution
|
In the given network all capacitors used are identical and each one is...
Text Solution
|
I-V characteristics of a copper wire of length L and area fo cross-se...
Text Solution
|
When a potential difference (V) is applied across a conductor at tempe...
Text Solution
|
Two thick wires and two thin wires, all of the same materais and sam...
Text Solution
|
A circular coil carrying a certain current produces a megnetic field B...
Text Solution
|
Which one of the following statements is true ?
Text Solution
|
The magnetic flux linked with a coil is given by phi=5t^(2)+3t+16, whe...
Text Solution
|
When a charge is moved against the Coulomb's force of an electric fiel...
Text Solution
|
A charge Q is located at the centre of a circle of radius r. The work ...
Text Solution
|
A long solenoid carrying current produces a magnetic field B along its...
Text Solution
|
Assertion (A): A bar magnet experiences a torque when placed in a magn...
Text Solution
|
Assertion (A): In a series LCR circuit connected to an ac source, reso...
Text Solution
|
Assertion (A): When a charged particle moves with velocity vecv in a m...
Text Solution
|
Assertion (A): Induced emf in two coils made of wire of the same lengt...
Text Solution
|