2. A uniform electric field has a strength of 120 N/C. An alpha particle with a charge +2e is pushed against the field direction by an external force for a distance of 25 cm. How much electric potential energy does the alpha particle gain?

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
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2. A uniform electric field has a strength of 120 N/C. An alpha particle with a charge +2e is
pushed against the field direction by an external force for a distance of 25 cm. How much
electric potential energy does the alpha particle gain?
Transcribed Image Text:2. A uniform electric field has a strength of 120 N/C. An alpha particle with a charge +2e is pushed against the field direction by an external force for a distance of 25 cm. How much electric potential energy does the alpha particle gain?
3. An electron gun has a uniform electric field of 425 N/C. An electron starts from rest and is fired from the
gun, reaching a speed of 3.25 x 105m/s. Using the conservation of energy for electric charges, how far
does the electron move relative to the field?
Transcribed Image Text:3. An electron gun has a uniform electric field of 425 N/C. An electron starts from rest and is fired from the gun, reaching a speed of 3.25 x 105m/s. Using the conservation of energy for electric charges, how far does the electron move relative to the field?
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