Question: An electron is guided around a circular path by a perpendicular magnetic field. If the magnetic flux density B is doubled, what will happen to

An electron is guided around a circular path by a perpendicular magnetic field. If the magnetic flux density B is doubled, what will happen to the RADIUS of the electrons path?

(a) Will it halve? OR (b) Will it double? OR (c) Will it reduce by pi? OR (d) Will it stay the same?

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