CAIE A-Level Physics A2 20.1.2 A Magnetic Field By Field Lines Topic Practice

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Question 1

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A particle of charge +q and mass m is travelling in a vacuum with speed v. The particle enters, at a right angle, a uniform magnetic field of flux density B, as shown in Fig. 8.1.

Fig. 8.1

Fig. 8.1

The particle leaves the field after following a semi-circular path of diameter d.

State the direction of the magnetic field.

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