1.

An electric field of 1500 V / m and a magnetic field of     0.40 weber / meter2 act on a moving electron. The minimum uniform speed along a straight line the electron could have is                                     [KCET 2005]

A.            1.6 ´ 1015 m / s                    
B.            6 ´ 10-16 m / s
C.            3.75 ´ 103 m / s                    
D.            3.75 ´ 102 m / s
Answer» D.            3.75 ´ 102 m / s


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