(Solved): 140 MAGNETIC FIEL.D 20 A1. A proton moving horizontally enters in a space region with uniform magnet ...

140 MAGNETIC FIEL.D 20 A1. A proton moving horizontally enters in a space region with uniform magnetic field

directed vertically upside, If its motion follows on a horizontal circular orbit with radius

, find: a) its speed .... b) how many revolutions it achieves in

. c) The electric field in this space region (direction&magnitude or vector expression)..... one should apply in this space region so that proton can follow its way without deviation. A2. A rectangular loop has 25 turns with sides

and

, as shown in figure. Assume that there is current

through wire that constitute the loop and the loop is inside an uniform magnetic field with magnitude 0.3 T directed parallel to the plane of the loop as shown. Refier to the ixxes shown and find: b) the torgae vector on the loop