7 Replies
@Gyro Gearloose
Note for OP
+solved @user1 @user2...
to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.A,B,D?
yeah
how
basically use work energy theorem to find work done by electric field and then for part B use power = F dot v and at point Q electric force and velocity is perp so dot product is zero and magnetic force does no work always

got it thanx
+solved @integralofe^2v
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