A non-conducting disc of radius a and uniform positive surface charge density σ is placed on the ground
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A non-conducting disc of radius a and uniform positive surface charge density σ is placed on the ground, with its axis vertical. A particle of mass m and positive charge q is dropped, along the axis of the disc, from a height H with zero initial velocity. The particle has q/m=4∈0g/σ (a) Find the value of H if the particle just reaches the disc. (b) Sketch the potential energy of the particle as a function of its height and find its equilibrium position.
01
Sep
A non-conducting disc of radius a and uniform positive surface charge density σ is placed on the ground, with its axis vertical. A particle of mass m and positive charge q is dropped, along the axis of the disc, from a height H with zero initial velocity. The particle has q/m=4∈0g/σ (a) Find the value [...]
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a charge q is imparted to the inner shells. Now ,
A non-conducting disc of radius a and uniform positive surface charge density σ is placed on the ground ,
along the axis of the disc ,
B ,
C ,
find the potential difference between the shells. Note that finally key K2 remains closed. ,
Four charge the particles each having charge Q are fixed at the comers of the base (at A ,
key K1 is closed and opened and then key K2 is closed and opened. After the keys K1andK2 are alterbately closed n times each ,
Two concentric shells of radii R and 2R are shown in (Fig. 3.115). Initially ,
with its axis vertical. A particle of mass m and positive charge q is dropped ,