A magnetic field is said to exist at a point if... - JAMB Physics 2003 Question
A magnetic field is said to exist at a point if a force is
A
exerted on a stationary charge at the point
B
exerted on a moving charge at the point
C
deflected at the point
D
strengthened at the point
correct option: b
A charge in motion always experienced a force on entering a magnetic field
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