Question
Asked Oct 7, 2019
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The two charges in the figure below are separated by d = 2.50 cm. (Let q1 = -18 nC and q2 = 27.5 nC.)

(a) Find the electric potential at point A in kV

(b) Find the electric potential at point B, which is halfway between the charges in kV

d
60.0° В
d
2
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d 60.0° В d 2

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Expert Answer

Step 1

Given,

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118 nC q2 27.5 nC d 2.5 cm-0.025 m k 8.85x10 Nm2/c2

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Step 2

Electric Potential at A is,

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k d А VA = k| 92 d =8.85 x1018x10 27.5x10- 0.025 0.025 V =3.36 kV А

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Step 3

Electric Potentia...

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92 +k d d В в 3 8.85х10° -18х10-9 0.0125 27.5х10° + 0.0125 Vв — 6.72 kV

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Physics

Electrostatic Potential and Capacitance

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