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An electron moves in a uniform magnetic ...

An electron moves in a uniform magnetic field and follows a spiral path as shown in Fig. 1.30. State the following statements as True or False.
a. Angular velocity of the electron remains constant.
b. Magnitude of velocity of the electron decreases continuously.
c. Net force on the particle is always perpendicular to its direction of motion.
d. Magnitude of net force on the electron decreases continuously.

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