It is not possible to have a particel wi...

It is not possible to have a particel with charge `20xx10^(-19) C.

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Ten positively charged particles are kept fixed on the x-axis at points x=10cm, 20cm, 30cm, …, 100cm. The first particle has a charge 1.0xx 10^(-8)C , the second 8xx10^(-8) C, the third 27xx10(-8) C and so on. The tenth particle has a charge 1000xx10^(-8)C. find the magnitude of the electric force acting on a 1 C charge placed at the origin.

calculate the time taken by a spherical ball if the direction of electric field is reversed and the charge on the particle is changed to +3.5xx10^(-19) C

An alpha particle of charge 3.2 xx 10 ^(-19) C and mass 6.8 xx 10 ^(-27) Kg is initially moving at speed 10 ^(7) m/s when it is at far distance from another fixed point charge 112 xx 10 ^(-19) C . Find the distance of closest approach.

(a) How many electorns are in 1C of negative charge? (b) Which is the true test of electrification: attraction or repulsion? (c ) Can a body have a charge of 0.8xx10^(-19)C ?

In a Millikan's oil drop experiment, six oil drops were observed to have charges of 16xx10^(-19) C , 8.0xx10^(-19) C, 6.4xx10^(-19) C, 2.4xx10^(-18) C and 3.2xx10^(-18) C, respectively. What conclusion can be drawn from these observations ?

Which of the following cannot be the charge on a particle? [-3.2times10^(-19)C],[4.8times10^(-19)C],[1.2times10^(-19)C],[1.6times10^(-19)C]

Calculate the radius of a drop of water which remains suspended in the eart's electric field of 300 V m^(-1) when charged with one electronic charge. (One electronic charge= 1.6xx10^(-19) C)

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