Q No 2 Luvit your un upevne VIL VI RIVAL THAN THE ECO super
Last updated: 6/24/2023
Q No 2 Luvit your un upevne VIL VI RIVAL THAN THE ECO super omnes For each question choose the option s corresponding to all the correct answer s Answer to each question will be evaluated according to the following marking scheme Full Marks 4 If only all the correct option s is are chosen Partial Marks 3 2 Partial Marks Partial Marks Zero Marks 1 0 Negative Marks 2 For Example If first third and fourth are the ONLY three correct options for a question with second option being an incorrect option selecting only all the three correct options will result in 4 marks Selecting only two of the three correct options e g the first and fourth options without selecting any incorrect option second option in this case will result in 2 marks Selecting only one of the three correct options either first or third or fourth option without selecting any incorrect option second option in this case will result in 1 marks Selecting any incorrect option s second option in this case with or without selection of any correct option s will result in 2 marks D If all the four options are correct but ONLY three options are chosen If three or more options are correct but ONLY two options are chosen and both of which are correct If two or more options are correct but ONLY one option is chosen and it is a correct option If none of the options is chosen i e the question is unanswered In all other cases A ring of mass 2m and radius R is set into pure rolling on horizontal rough surface in a uniform magnetic field of strength B as shown in the figure A point charge q of negligible mass is attached to rolling ring Friction is sufficient so that it does not slip at any point of its motion 8 is measured in clockwise from positive y axis x x x x2mx x x x x x x x x 9x x x x x x X X X X X XXXXXXX X X X X X X X X X X XX X X X X X X X X X X X X www XXX X X X X X X X X X 0 X X Ring will continue to move with constant kinetic energy is 2mv The torque of friction about center of ring is BqvRcose Dino View In English V XX X