Theory > Physics > 2016 > PAPER II > PART I > 4
WASSCE
An electron enters perpendicularly into a uniform magnetic field which has a flux density of 0.12 T . This results in a magnetic force of 9.6 × 10-12 N on the electron. Calculate the speed of the electron as its enters the magnetic field.
(e=1.6 ×10-19 C ).
(e=1.6 ×10-19 C ).
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