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A mass has a charge of q = 5e, where e is the charge on an electron. (a) Determine the electric potential (in V) due to the charge at a distance r = 0.160 cm from the charge. -4.50e-06 ✔ V (b) Determine the electric potential difference (in V) between a point that is 5r away and this point, that is V(5r) - V(r). 7.20e-07 x Don't forget, we want V(5r) - V(r) and not V(r) - V(5r). Try writing your answer in terms of the expression for V(r) obtained in part (a). V (c) Determine the electric potential difference (in V) between a point that is away and this point, that is 5V (5) - - V(r). -1.80e-06 X Don't forget, we want (5) - V(r) and not V(r) - (). Try writing your answer in terms of the expression for V(r) obtained in part (a). V (d) How would the answers change if the electrons are replaced by protons? O The sign of answer (a) would change. O The sign of answer (b) would change. O The sign of answer (c) would change. O The sign of all answers would change. O All answers would remain the same.

A mass has a charge of q = 5e, where e is the charge on an electron. (a) Determine the electric potential (in V) due to the charge at a distance r = 0.160 cm from the charge. -4.50e-06 ✔ V (b) Determine the electric potential difference (in V) between a point that is 5r away and this point, that is V(5r) - V(r). 7.20e-07 x Don't forget, we want V(5r) - V(r) and not V(r) - V(5r). Try writing your answer in terms of the expression for V(r) obtained in part (a). V (c) Determine the electric potential difference (in V) between a point that is away and this point, that is 5V (5) - - V(r). -1.80e-06 X Don't forget, we want (5) - V(r) and not V(r) - (). Try writing your answer in terms of the expression for V(r) obtained in part (a). V (d) How would the answers change if the electrons are replaced by protons? O The sign of answer (a) would change. O The sign of answer (b) would change. O The sign of answer (c) would change. O The sign of all answers would change. O All answers would remain the same.

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter26: Electric Potential
Section: Chapter Questions
Problem 65PQ: Two 5.00-nC charged particles are in a uniform electric field with a magnitude of 625 N/C. Each of...
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A mass has a charge of q = 5e, where e is the charge on an electron. (a) Determine the electric potential (in V) due to the charge at a distance r = 0.160 cm from the charge. -4.50e-06 V (b) Determine the electric potential difference (in V) between a point that is 5r away and this point, that is V(5r) - V(r). 7.20e-07 Don't forget, we want V(5r) - V(r) and not V(r) - V(5r). Try writing your answer in terms of the expression for V(r) obtained in part (a). V (c) Determine the electric potential difference (in V) between a point that is 53 away and this point, that is V v(5) - v(r). -1.80e-06 X Don't forget, we want V ✓(5) - V(r) and not V(r) (). Try writing your answer in terms of the expression for V(r) obtained in part (a). V (d) How would the answers change if the electrons are replaced by protons? O The sign of answer (a) would change. O The sign of answer (b) would change. O The sign of answer (c) would change. O The sign of all answers would change. O All answers would remain the same.
Transcribed Image Text:A mass has a charge of q = 5e, where e is the charge on an electron. (a) Determine the electric potential (in V) due to the charge at a distance r = 0.160 cm from the charge. -4.50e-06 V (b) Determine the electric potential difference (in V) between a point that is 5r away and this point, that is V(5r) - V(r). 7.20e-07 Don't forget, we want V(5r) - V(r) and not V(r) - V(5r). Try writing your answer in terms of the expression for V(r) obtained in part (a). V (c) Determine the electric potential difference (in V) between a point that is 53 away and this point, that is V v(5) - v(r). -1.80e-06 X Don't forget, we want V ✓(5) - V(r) and not V(r) (). Try writing your answer in terms of the expression for V(r) obtained in part (a). V (d) How would the answers change if the electrons are replaced by protons? O The sign of answer (a) would change. O The sign of answer (b) would change. O The sign of answer (c) would change. O The sign of all answers would change. O All answers would remain the same.
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