Q14 · 2021 · Paper 1Simple familiar1 mark
QUESTION 14
Moving electric charges in a magnetic field experience
(A)
a decrease in charge.
(B)
an increase in charge.
(C)
a force parallel to the direction of the magnetic field.
(D)
a force perpendicular to the direction of the magnetic field.
WORKED SOLUTION
1 markAnswer D
ANSWER
D
Worked solution
For a moving charge, , so the magnetic force is perpendicular to the magnetic field. Option D.
Selects option D.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.