18 - Moving charge magnetism and force in magnetic field Questions Answers

In a region of space, a uniform electric field 𝐸⃗⃗⃗ , uniform magnetic field 𝐡⃗⃗⃗ and  
uniform gravitational field 𝑔⃗ exist in mutually perpendicular direction. A charged particle is  
moving with uniform velocity in this region. Once the particle leaves this region and another  
where there is only 𝑔⃗ , its speed begins to decrease. How long after leaving the first region  
does the velocity of particle reach the minimum value?

 

Answer : t=E/Bg

Asked By: RISHI
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Asked By: TONY
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Sir, actually I think this question consists of both concepts of magnetism and electric field and potential.....
Asked By: TONY
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sir pls upload a video with detailed explanation as soon as possible
Asked By: HARDIK
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An electron originates at a point A lying on the axis of a straight solenoid and moves with a velocity v at an angle Ξ± to the axis. The magnetic induction of the field is B. Find the distance r from the axis to the point on the screen into which the electron strikes. The screen is oriented at right angles to the axis and is located at a distance l from the point A.

 

Thanks in advance sir.

Asked By: PRABHAN BUGATHA
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Please post solution sir, thanks in advance. 
Asked By: TUSHAR GUPTA
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Joshi sir comment
Thanks in advance for solution. 
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Joshi sir comment
Thanks in advance 
Asked By: TUSHAR GUPTA
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