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WAEC - Physics (2006 - No. 45)
A 500kV is applied across an X-ray tube. Calculate the maximum velocity of the electrons produced [Me = 9.1 x 10
-31
kg, e = 1.6 x 10
-19
C]
4.2 x 10
8
ms
-1
1.9 x 10
8
ms
-1
4.2 x 10
5
ms
-1
1.8 x 10
5
ms
-1
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