Moving Charges and magnetism Magnetic force on Moving charges Question 19 Read and write Q in page 371 An electron moving with a velocity of 5 x 107 ms 1 enters a magnetic field of 1Wb m 2 at an angle of 300 Calculate the force on electron Calculate the magnitude of the force acting with velocity of 10 T Read and write Q in page 371 Answer 19 Question 20 Answer 20 Question 21 Answer 21 An electron Electron Read and write Q in page 371 direction will be decided by right hand thumb rule Question 22 Read and write Q in page 371 An electron electron Answer 22 Question 23 Read and write Q in page 371 A proton east Answer 23 0 625 m iii Question 24 Read and write Q in page 371 A 2 MeV proton kg Answer 24 K E of Proton 2 Me V Question 25 Read and write Q in page 371 PQ is a electron Answer 25 Magnetic field due to wire of distance of 0 6 m Question 26 Read and write Q in page 371 An electron electron Answer 26 Energy acquired by electron eV