Question
Fri March 19, 2010 By:

A TV set picture tube shoots out a beam of electrons.

Expert Reply
Fri March 19, 2010

I = charge/time

=electronic charge x number of electrons/time

Number of electrons/time = Electric current/electronic charge.

= 10 x 10-3 A/1.6x10-19 = 6.25 x 1016

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