UPSC 2015 CDS I GK Paper

Question : 28 of 120

Marks: +1, -0

An electron and a proton are circulating with same speed in circular paths of equal radius. Which one among the following will happen, if the mass of a proton is about 2,000 times that of an electron ?

[2015 CDS-I]

The centripetal force required by the electron is about 2,000 times more than that required by the proton
The centripetal force required by the proton is about 2,000 times more than that required by the electron
No centripetal force is required for any charged particle
Equal centripetal force acts on both the particles as they rotate in the same circular path

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