Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Physics Moving Charges and Magnetism Magnetic Field
An electron has entered a magnetic field perpendicular to its direction of motion. The field can change
(a) Speed of electron.
(b) Direction of the electron.
(c) Momentum of the electron.
1
(a). (b)
2
(b), (c)
3
(a), (b) and (c)
4
More than one of the above
5
None of the above