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Question

(A)Under these conditions, how much charge is on each plate?

Q = __________ C
 
(B)How strong is the electric field between the plates?
 
E = __________ V/m
 
(C)If an electron is ejected at rest from the negative plates, how fast is it moving when it reaches the positive plate?
 
v = ___________ m/s
The vertical deflecting plates of a typical classroom oscilloscope are a pair of parallel square metal plates carrying equal but opposite charges. The potential difference between the plates is 25.0 V. Typical dimensions are about 3.5 cm on a side, with a separation of about 5.0 mm. The plates are close enough that we can ignore fringing at the ends.
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Transcribed Image Text:The vertical deflecting plates of a typical classroom oscilloscope are a pair of parallel square metal plates carrying equal but opposite charges. The potential difference between the plates is 25.0 V. Typical dimensions are about 3.5 cm on a side, with a separation of about 5.0 mm. The plates are close enough that we can ignore fringing at the ends.
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