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 v(5) - V(r). -1.80e-06 Don't forget, we want () - V(r) and not V(r) – (5). 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. The sign of answer (b) would change. The sign of answer (c) would change. The sign of all answers would change. 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 v(5) - V(r). -1.80e-06 Don't forget, we want () - V(r) and not V(r) – (5). 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. The sign of answer (b) would change. The sign of answer (c) would change. The sign of all answers would change. All answers would remain the same.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter16: Electrical Energy And Capacitance

Section: Chapter Questions

Problem 8P: (a) Find the potential difference VB required to stop an electron (called a slopping potential)...

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