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A charge particle, having mass m and charge –q is thrown from the center of charged ring, having linear charge density and radius r fixed in a stationary space, along its axis. The minimum speed v for which it will escape this isolated ring is
detailed solution
Correct option is D
Use energy conservation , 12mv2 +(-14πε02πrλrq) =0Talk to our academic expert!
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Kinetic energy of an electron accelerated through a potential difference of 100 V is
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