A current carrying long solenoid is placed on the ground with its axis vertical. A proton is falling along the axis of the solenoid with a velocity $v$. When the proton enters into the solenoid, it will
A current carrying long solenoid is placed on the ground with its axis vertical. A proton is falling along the axis of the solenoid with a velocity $v$. When the proton enters into the solenoid, it will
- A
Be deflected from its path
- B
Be accelerated along the same path
- C
Be decelerated along the same path
- D
Move along the same path with no change in velocity
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Which of the following particle will describe the smallest circle when projected with the same velocity perpendicular to the magnetic field ?
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If two streams of protons move parallel to each other in the same direction, then they
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- [AIIMS 2004]
A charged particle projected in a limited magnetic field according to figure. The charged particle does not strike to the opposite plate provided
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A particle of charge $16\times10^{-16}\, C$ moving with velocity $10\, ms^{-1}$ along $x-$ axis enters a region where magnetic field of induction $\vec B$ is along the $y-$ axis and an electric field of magnitude $10^4\, Vm^{-1}$ is along the negative $z-$ axis. If the charged particle continues moving along $x-$ axis, the magnitude of $\vec B$ is
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- [JEE MAIN 2013]
A positively charged $(+ q)$ particle of mass $m$ has kinetic energy $K$ enters vertically downward in a horizontal field of magnetic induction $\overrightarrow B $ . The acceleration of the particle is :-
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