Two circular rings A and B each of radius 30 cm are placed coaxially with their axes horizontal in a uniform electric field E= 10^(5)NC^(-1) directed vertically up. Distance between the centres of these rings is h = 40 cm. Ring A has a positive charge q_(1) = 10mu C, while ring B has a negative charge of magnitude 20muC. A particle of mass m= 100 g and carrying a positive charge 104mu Cis released from rest at t=0 at the centre of the ring A. Find the velocity of the particle when it has moved through 40 cm? (g=10ms^(-2))

Two circular rings A and B each of radius 30 cm are placed coaxially

1.	Two circular rings A and B each of radius 30 cm are placed coaxially with their axes horizontal in a uniform electric field E= 10^(5)NC^(-1) directed vertically up. Distance between the centres of these rings is h = 40 cm. Ring A has a positive charge q_(1) = 10mu C, while ring B has a negative charge of magnitude 20muC. A particle of mass m= 100 g and carrying a positive charge 104mu Cis released from rest at t=0 at the centre of the ring A. Find the velocity of the particle when it has moved through 40 cm? (g=10ms^(-2))
Answer» ANSWER :`6sqrt(2) MS^(-1)`

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