A uniform magnetic field $B$ and a uniform electric field $E$ act in a common region. An electron is entering this region of space. The correct arrangement for it to escape undeviated is
Medium
Download our app for free and get started
(c) For undeviated motion $|\overrightarrow {{F_e}} |\, = \,|\overrightarrow {{F_m}} |$, which happened when $\overrightarrow {v\,} ,\,\overrightarrow E $ and $\overrightarrow B $ are mutually perpendicular to each other.
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionA charged particle is released from rest in a region of uniform electric and magnetic fields which are parallel to each other. The particle will move on a
- 2View SolutionTesla is the unit of
- 3A $90\, cm$ long solenoid has six layers of windings of $450\, turns$ each. If the diameter of solenoid is $2.2\, cm$ and current carried is $6\, A$, then the magnitude of magnetic field inside the solenoid, near its centre isView Solution
- 4A wire of length $L$ is bent in the form of a circular coil and current $i$ is passed through it. If this coil is placed in a magnetic field then the torque acting on the coil will be maximum when the number of turns isView Solution
- 5A straight wire carrying a current of $14\,A$ is bent into a semicircular are of radius $2.2\,cm$ as shown in the figure. The magnetic field produced by the current at the centre $(O)$ of the arc. is $.........\,\times 10^{-4}\, T$View Solution
- 6A long straight wire carries a current of $35\, A$. What is the magnitude of the field $B$ at a point $20\, cm$ from the wire ?View Solution
- 7A charge of $2.0\,\mu C$ moves with a speed of $3.0 \times {10^6}\,m{s^{ - 1}}$ along $+ ve$ $X$ - axis $A$ magnetic field of strength $\vec B = - 0.2\,\,\hat k$ $Tesla$ exists in space. What is the magnetic force $({\overrightarrow F _m})$ on the chargeView Solution
- 8The pole strength of a bar magnet is $48$ $ampere-metre$ and the distance between its poles is $ 25 \,cm$ . The moment of the couple by which it can be placed at an angle of $30°$ with the uniform magnetic intensity of flux density $0.15 $ $Newton /ampere-metre$ will be.......$Newton × metre$View Solution
- 9$AB$ and $CD$ are long straight conductor, distance $d$ apart, carrying a current $I$. The magnetic field at the midpoint of $BC$ isView Solution
- 10View SolutionBohr magneton is given by (symbols have their usual meanings)